OpenTechnical

OT-2026-000056818

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000056818) never changes.

Identity and time

Publication numberOT-2026-000056818 · never reused
Internal UUID01a0ae87-7af7-7414-ae69-70d5ecbc03c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056818
StatusPUBLIC

Content hashes

Canonical text110ba75efd2a0702892f408185103205905733e4d83f28cea3bb71c48922b249
Markdowncec9c850d7a1ac0ba4469577796b3709a4614c449ab1472c9d78c218277ebcb0
PDF
Publication page6834ee6a5d76ce918d0414b63923f0f6c8c27e611e534f6b5064611919fa6116
Manifest783a050324ac7b9fa9562f9872ac757df285a0c6f686bd43165f9b755ac2e3fb

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
SignatureXMlgNEJ5ZShEOlqDwfJ8Jb1SMLQQkIWtK3HYvdBop/RBP31NNKSnsWJu5sq8l3WcTrNQCzOwleDkYz+JfNdkDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.498663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056818
observed 6834ee6a5d76ce918d0414b63923f0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.480212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056818/manifest.json
observed 783a050324ac7b9fa9562f9872ac757d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.461847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056818/publication.md
observed cec9c850d7a1ac0ba4469577796b3709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.443144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056818/publication.txt
observed 110ba75efd2a0702892f408185103205...
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.