OpenTechnical

OT-2026-000030125

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000030125) never changes.

Identity and time

Publication numberOT-2026-000030125 · never reused
Internal UUID01a0ae73-e4ff-7ca3-b9ef-749e5f58249e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030125
StatusPUBLIC

Content hashes

Canonical textc72e504b18e4957ede4a95ac8f81f724ac0222f727ee246e442200927b13ca9c
Markdownea097a3ff99afc5c125a4ccb62445f2a19c161855e8fa6071756c350326a3335
PDF
Publication pageab275b8d14b8f9b58ae9ebb75f67345f3e31ab13244eef6f0df948366f1c9e32
Manifest20e04ab5c5a20cd7c610d0c2f36b0f3cb5077bccb638198be877175c390d80bf

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
SignatureGQEZ20YyZ8x3gBAHNs2roOmCYGJNL1M/1ueqGCMa2jMiGbqwPuh6n4ZRbTQOCnHdmozbVrSx2JG56FbzaN62Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:40:21.720885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125
observed ab275b8d14b8f9b58ae9ebb75f67345f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.703236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125/manifest.json
observed 20e04ab5c5a20cd7c610d0c2f36b0f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.681040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125/publication.md
observed ea097a3ff99afc5c125a4ccb62445f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.657893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125/publication.txt
observed c72e504b18e4957ede4a95ac8f81f724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.605269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125
observed ab275b8d14b8f9b58ae9ebb75f67345f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.584368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125/manifest.json
observed 20e04ab5c5a20cd7c610d0c2f36b0f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.565337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125/publication.md
observed ea097a3ff99afc5c125a4ccb62445f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.548584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030125/publication.txt
observed c72e504b18e4957ede4a95ac8f81f724...
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.