OT-2026-000074074
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000074074) never changes.
Identity and time
| Publication number | OT-2026-000074074 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-70c5-ad0e-34ea33a6be88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074074 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f1b62f29d2ba4cf798829d24e10a6dfbc6298a357a2a194caa0b5ae35c772f3 |
|---|---|
| Markdown | 945a5f3f57eb27a71dbb30780b5c26f35b590eb7e4ba0627db3f2a9783f67b18 |
| Publication page | cf7adc465425217bd064c2efaf33bb33a1a204e9a858d8e1d405008397bb5c86 |
| Manifest | 1bee9d3fd77419f7deb15ea837c2560308feb7fa6ea39b19c519122bfed7ef0f |
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 | a1Kl23H9qaMeUu/mFGNgm/NyEDMLniQ8eeUi7U8vwHzHnu/jNZ3RfJqUIJC4qsOnwbvPSfK9B9Y7l0TEkvy8Cg== |
| 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
| 2026-09-17T10:20:58.503745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074074observed cf7adc465425217bd064c2efaf33bb33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:58.485664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074074/manifest.jsonobserved 1bee9d3fd77419f7deb15ea837c25603...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:58.464106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074074/publication.mdobserved 945a5f3f57eb27a71dbb30780b5c26f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:58.444770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074074/publication.txtobserved 3f1b62f29d2ba4cf798829d24e10a6df...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. |
|---|