OT-2026-000075450
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075450) never changes.
Identity and time
| Publication number | OT-2026-000075450 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f201-7142-bcb8-68dcc2cd57f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075450 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51dc1eeb9ed083bf7ef0468587af4134135112ca328cc033c716df51c6bf38be |
|---|---|
| Markdown | e3a650e8595e556b47e790f9fb078425805b81e5f2c76bb5f7bf6c28dd6a89cc |
| Publication page | 2c2f7a92fd86deabc431f77d60c7efdb0816408d962d7a3f729ab32d1a730f8e |
| Manifest | 59228f371b9d997909a077a497b79a97d2c4cea4ddf97636f8878a68fb84c9c4 |
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 | Fnfj8Z58aH54tSkoF4dSeEGtffIdxHYSkmD0vFnxk4s2s2p7PjjqtOT2EPsn2iCMP4QiPojivsvk+qYMYTZtCQ== |
| 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
| 2026-10-30T08:41:19.929728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450observed 2c2f7a92fd86deabc431f77d60c7efdb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T08:41:19.873855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450/manifest.jsonobserved 59228f371b9d997909a077a497b79a97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:19.821504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450/publication.mdobserved e3a650e8595e556b47e790f9fb078425...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:19.759895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450/publication.txtobserved 51dc1eeb9ed083bf7ef0468587af4134...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:56.305426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450observed 2c2f7a92fd86deabc431f77d60c7efdb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:56.257798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450/manifest.jsonobserved 59228f371b9d997909a077a497b79a97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:56.207844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450/publication.mdobserved e3a650e8595e556b47e790f9fb078425...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:56.155884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075450/publication.txtobserved 51dc1eeb9ed083bf7ef0468587af4134...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 |
|---|