OpenTechnical

OT-2026-000051430

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000051430) never changes.

Identity and time

Publication numberOT-2026-000051430 · never reused
Internal UUID01a0ae83-7c7f-7c40-b787-dd412571d379 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051430
StatusPUBLIC

Content hashes

Canonical text6a7e6de3b457c54a084fef264fe8e1f4ea97a6105cab5ca5be4967129a1b817a
Markdown1e34e1263ecd54d97f2305ae0f44e2f9403f3c48e5345a31cc554b098ca9dcbe
PDF
Publication pagef38d72f17e9231bc06704c5ad57b2504c4086ad648f51955694bde4208bd77bd
Manifestaf7d5920d05f02aef88b8b383ac0fc8f4e169514f8eee15933e8c159763f4109

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
Signatureov8RGgkZyGA5saMOckz/80E6sPDDOJP9/7HC8jR4ifp78Z8/68UsslBDk3oo5KdPUqoPgatzbjMlfg8aM7QsDQ==
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

2026-09-17T10:58:09.010817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051430
observed f38d72f17e9231bc06704c5ad57b2504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.992525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051430/manifest.json
observed af7d5920d05f02aef88b8b383ac0fc8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.973906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051430/publication.md
observed 1e34e1263ecd54d97f2305ae0f44e2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.953859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051430/publication.txt
observed 6a7e6de3b457c54a084fef264fe8e1f4...
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.