OT-2026-000032026
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032026) never changes.
Identity and time
| Publication number | OT-2026-000032026 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad3-7700-b7ff-52b4f12fb429 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032026 |
| Status | PUBLIC |
Content hashes
| Canonical text | 215dc69d592cca525a4d17e29c771fe35ba6576d988647735733fb9c3c5b0635 |
|---|---|
| Markdown | c217f12b998e025744b3e1d866f9d4f3120c98345fdf5bbb7d649240b883c701 |
| Publication page | 44af173f0136da370b9c8ee2845349eaff1d5ea9ae63b210216b5002a9348075 |
| Manifest | 18df91edc3cf8b535b7a376ef8caf6af4016df8a4cfa16f47641adaffde64f21 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | CISt0g2beImOdYqQXP7451phkTsWfGp8hwqlFOpgpk+jzW5eNINsrd/U8BbHCAt2Ey/dVDaF9VLKElXvOIqnAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
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Independent retrieval
| 2026-10-25T00:41:19.704669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026observed 44af173f0136da370b9c8ee2845349ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T00:41:19.654716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026/manifest.jsonobserved 18df91edc3cf8b535b7a376ef8caf6af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:19.599925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026/publication.mdobserved c217f12b998e025744b3e1d866f9d4f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:19.547168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026/publication.txtobserved 215dc69d592cca525a4d17e29c771fe3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.204243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026observed 44af173f0136da370b9c8ee2845349ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.189147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026/manifest.jsonobserved 18df91edc3cf8b535b7a376ef8caf6af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.169173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026/publication.mdobserved c217f12b998e025744b3e1d866f9d4f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.149904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032026/publication.txtobserved 215dc69d592cca525a4d17e29c771fe3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|