OpenTechnical

OT-2026-000054469

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000054469) never changes.

Identity and time

Publication numberOT-2026-000054469 · never reused
Internal UUID01a0ae86-1282-7eb0-9d6f-d74fb45a7794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054469
StatusPUBLIC

Content hashes

Canonical textdf4c97fc626ffb98e9976a76656ec23023faa0d1d56dbd9739ab107791020a14
Markdown1a07b4b4a5060a04edc6ce30f8b46a19574a60ddbae702c5a7056722b9268448
PDF
Publication pageea17acee28a792648f339fc69400be6bd4c2429141df10ea1a792c2031832928
Manifest6c7ca3d50f2fddc384fc7a310828d04c133c556eca7bfe7277e3bdfa9b19f455

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
SignatureZH7Tl3Me38Rh4MVn7HrqvmBe8Zx++YX0JJinvsGlHzZq+qsnq977YvygRPUtGlsiaZLlgqiqGzPYNvQRviyzCg==
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

2026-09-17T10:53:27.804747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054469
observed ea17acee28a792648f339fc69400be6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.786548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054469/manifest.json
observed 6c7ca3d50f2fddc384fc7a310828d04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.769307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054469/publication.md
observed 1a07b4b4a5060a04edc6ce30f8b46a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.750977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054469/publication.txt
observed df4c97fc626ffb98e9976a76656ec230...
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.