OT-2026-000052449
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000052449) never changes.
Identity and time
| Publication number | OT-2026-000052449 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7253-8a9c-20360c8e5976 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052449 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83d5f1d065e82e511c5603eb45a1aaf619bf63f48f0a44ad3f03812e39d40684 |
|---|---|
| Markdown | 071b2169f6cc3176f37b5831392f417ea7945a8f02dc2df6ffa9e548f75ef755 |
| Publication page | 1444acef8ab1a848dbf3cc999681c769eb871cf122dc77ab62eb06925ed09145 |
| Manifest | a3d239a5d135c30db10a4c0d1f6306d565d94b73387c56e0b8336618c098cd92 |
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 | PWBv2ZawrlDuCmDyQ9HeEH8QgOSMXfwC1XD5cAFA2anXANTAc2Q7mTkg73VU5S55FR7YThVdUl3DmvFJJoW5Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:04.366420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052449observed 1444acef8ab1a848dbf3cc999681c769...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:04.349100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052449/manifest.jsonobserved a3d239a5d135c30db10a4c0d1f6306d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.331441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052449/publication.mdobserved 071b2169f6cc3176f37b5831392f417e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.312013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052449/publication.txtobserved 83d5f1d065e82e511c5603eb45a1aaf6...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. |
|---|