OT-2026-000080521
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000080521) never changes.
Identity and time
| Publication number | OT-2026-000080521 · never reused |
|---|---|
| Internal UUID | 01a0ae96-7e78-7884-893e-376773de607b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:13.512436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97c3c7452f5353a92473bd2917023eb90844d286053b61d06ae37f942247b4a4 |
|---|---|
| Markdown | 11d87c5735fd929cbd6a4ae80915fa5cfac14eaae527acfbff996e7617365636 |
| Publication page | 137bc16457fa36ab4aed7c8546b96e07b77b805e346d3f314ea9b8a7fb6b4e9e |
| Manifest | a6943cf0940d65c4190010b30b94369a781a50448576e8fb1c4deb225d1458ff |
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 | FlmibUASrDW+eTV1s9RXbjR7eSGeujcSLPFYC4Cm2Kc6oVAD3xyGs9AS0md3uGXRlbYrRudClwM2T4leFACvCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-22T16:42:03.995407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521observed 137bc16457fa36ab4aed7c8546b96e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:42:03.922165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521/manifest.jsonobserved a6943cf0940d65c4190010b30b94369a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:42:03.840392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521/publication.mdobserved 11d87c5735fd929cbd6a4ae80915fa5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:42:03.715050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521/publication.txtobserved 97c3c7452f5353a92473bd2917023eb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:02.577968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521observed 137bc16457fa36ab4aed7c8546b96e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:02.494662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521/manifest.jsonobserved a6943cf0940d65c4190010b30b94369a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:02.412198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521/publication.mdobserved 11d87c5735fd929cbd6a4ae80915fa5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:02.316157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080521/publication.txtobserved 97c3c7452f5353a92473bd2917023eb9...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 |
|---|