OT-2026-000021578
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000021578) never changes.
Identity and time
| Publication number | OT-2026-000021578 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-78db-97b5-8a8c09a9961e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021578 |
| Status | PUBLIC |
Content hashes
| Canonical text | abd578890b8c0972b9f823b6eb1307d5a10943e6d8c8c2f3ab8369b3c2b3f165 |
|---|---|
| Markdown | d576019607a0afa1c02756b1011bb24a29996e15cfcaa84c50750a547e68170d |
| Publication page | 841b3552c5e90c86b565f5b7bacd17357b977e5e86f09e6bb78b101e650d2bc9 |
| Manifest | f9dcc18ee7e032f23a7d55722d6958f22e0617009bc3c5a3256100c75cfd3e23 |
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 | NplteV9V43Z+2p89MELlsCc6FmBZ14XKdKlZmfMn1SjLf1XNpYa46LlXXTg+A4KQdKAGRWah/0EXtpe5tELBCA== |
| 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... |
|---|
Independent retrieval
| 2026-10-24T08:42:00.110192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578observed 841b3552c5e90c86b565f5b7bacd1735...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T08:42:00.060606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578/manifest.jsonobserved f9dcc18ee7e032f23a7d55722d6958f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:42:00.010644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578/publication.mdobserved d576019607a0afa1c02756b1011bb24a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:59.957151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578/publication.txtobserved abd578890b8c0972b9f823b6eb1307d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:03.823212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578observed 841b3552c5e90c86b565f5b7bacd1735...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:03.722236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578/manifest.jsonobserved f9dcc18ee7e032f23a7d55722d6958f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:03.630949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578/publication.mdobserved d576019607a0afa1c02756b1011bb24a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:03.545393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021578/publication.txtobserved abd578890b8c0972b9f823b6eb1307d5...fetched by grabo-systems from 34.44.131.203, 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 |
|---|