OT-2026-000013756
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000013756) never changes.
Identity and time
| Publication number | OT-2026-000013756 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7536-aee2-5c27800f10db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013756 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5daba47f9815c6360f2f2ef2573c41089a5bc8051850ccab46136c98f13c95a |
|---|---|
| Markdown | 5c656be89eeab35471147bef49a1d0d18b304c73d5006fae8fae74d83ab4b5c4 |
| Publication page | 4613441ead707097102ea6ec89ac19eee5d0d6b6af18cba1addfa4b789fe4726 |
| Manifest | a2f3c81ef684507cb2c1517fe864a8cf597e21f468460b54e07dff252ca3f881 |
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 | qFUZS8CY74zvGiXBje6raXpRWA4cv55rG9Sxv0XxRtBtpqn5ZrEIZW0TxoIfVrwxq6/5O9gjPd2JjLbmpUKKCA== |
| 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
| 2026-09-17T12:08:49.742868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013756observed 4613441ead707097102ea6ec89ac19ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:49.719903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013756/manifest.jsonobserved a2f3c81ef684507cb2c1517fe864a8cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:49.699722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013756/publication.mdobserved 5c656be89eeab35471147bef49a1d0d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:49.677807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013756/publication.txtobserved c5daba47f9815c6360f2f2ef2573c410...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
| Custody package | Pending Custody packages are produced weekly. |
|---|