OT-2026-000006890
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, pressure verified, 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-2026-000006890) never changes.
Identity and time
| Publication number | OT-2026-000006890 · never reused |
|---|---|
| Internal UUID | 01a0a96a-fa09-726a-8425-cb5644fd00b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:52:35.468146Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006890 |
| Status | PUBLIC |
Content hashes
| Canonical text | d0df1c4faf08fbe2d19c18bdb65c39a0b78579916e9392a4896c68f54a00dd64 |
|---|---|
| Markdown | 3f4e19d4749b94b82797090cec3165bf9fea6a98f4f989c6a893e68c07702d69 |
| Publication page | e814f63c6436b1558706a48b656f14008e9d94d941bd266c428fd1fe8a8748dc |
| Manifest | c2fcf3775ec91899e8f4d3245756e523d1fcd5c8d678e31984a69fd6ed04d2dd |
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 | zA/Ky2zwg3sZbU7vgmBto71S1latQXu4tTgrlr3t49KEM+rZL13/3xboZ6nKNzSSgshfiScP7U/806NIXUOEAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:00:25.151171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006890observed e814f63c6436b1558706a48b656f1400...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:25.137567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006890/manifest.jsonobserved c2fcf3775ec91899e8f4d3245756e523...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:25.002084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006890/publication.mdobserved 3f4e19d4749b94b82797090cec3165bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:24.989466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006890/publication.txtobserved d0df1c4faf08fbe2d19c18bdb65c39a0...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. |
|---|