OpenTechnical

OT-2026-000088952

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088952) never changes.

Identity and time

Publication numberOT-2026-000088952 · never reused
Internal UUID01a0ae9b-8f11-7dd2-be4a-6b5d2ba0bd3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088952
StatusPUBLIC

Content hashes

Canonical text26d63b0bb388d9d741875d6d695bba3de962682cada0dae6aa65afa8da1ff33d
Markdown7bbca2376e02e30e63f37721fe13117ea4d0b423363db3549f5986a42c37ba16
PDF
Publication pageb6f85c93116fa260dfd0cc23b1975109270b9b9133c057ebff249b3661f3142d
Manifest633b8c0ecd2702ee2c0bd873c1065f577a5032ce5d50406973c91523898d8dab

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePft8qdXy2spmFaWGW3QBzOr2JFXWc27tmGBTtaP/LkLl0R4APqV0YLkLlBgZsWTEuRD0h3ccOZdP3b9Oiz2oDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:21.889049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088952
observed b6f85c93116fa260dfd0cc23b1975109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.870104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088952/manifest.json
observed 633b8c0ecd2702ee2c0bd873c1065f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.851903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088952/publication.md
observed 7bbca2376e02e30e63f37721fe13117e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.833215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088952/publication.txt
observed 26d63b0bb388d9d741875d6d695bba3d...
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 archivePending 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 packagePending Custody packages are produced weekly.