OT-2026-000072879
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000072879) never changes.
Identity and time
| Publication number | OT-2026-000072879 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89db-7799-ad38-db1960e08363 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38ef7f7bbea345c8f8beff954ba428b51860a16598d5930f472a44efcb8860da |
|---|---|
| Markdown | a334d1f1cb9c3b4d09810d65514ee8b43c8be8339788cab1a4235faf57820e5c |
| Publication page | bd1a4028ff6e552425f36fecae3122011e0c4f881cc0fec409dcf8528761255f |
| Manifest | b4f02a901cedcfe568934a13dc23773c5bfcfa894adcf80db4cf1e72a9ca444b |
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 | x8A5N28eakUXXGNDy2m/KE1k+GDnBMdkrtycbfk7tskAiWUh1UwRLsqITTkigeM4JG8wJYhdnwzaaUDIwjWSDQ== |
| 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
| 2026-09-17T10:22:48.426923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072879observed bd1a4028ff6e552425f36fecae312201...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:48.410143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072879/manifest.jsonobserved b4f02a901cedcfe568934a13dc23773c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:48.393049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072879/publication.mdobserved a334d1f1cb9c3b4d09810d65514ee8b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:48.375069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072879/publication.txtobserved 38ef7f7bbea345c8f8beff954ba428b5...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. |
|---|