OpenTechnical

OT-2026-000032463

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000032463) never changes.

Identity and time

Publication numberOT-2026-000032463 · never reused
Internal UUID01a0ae75-106f-78e9-9498-33dbf4d43b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032463
StatusPUBLIC

Content hashes

Canonical text29eeba35fda22eb86c4cb037456951b230e6dfe1361a62d5938508078152c8e9
Markdowna8979f2e19d2c219bffefce1e532fc95c064c157a1af924b5e89f881fc301df5
PDF
Publication page77ab400a489d6e1dc1b0201b4ab4cc52bbf609d416fd0f7c5b692c8fffafb457
Manifest6b103f4dd6f3293604af9d386cd9395e150311b6de77a042d2c63d2e7b56d7a8

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
Signature31u24TnpwN6w/eurNlAeQenyextL2jHn+3c2LiRsqXujD1HxoSiJptb6RJJ5wPf1aaHGa+w9c9QeXACIuq6wCQ==
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

2026-09-17T11:33:53.622896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032463
observed 77ab400a489d6e1dc1b0201b4ab4cc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.603622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032463/manifest.json
observed 6b103f4dd6f3293604af9d386cd9395e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.584682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032463/publication.md
observed a8979f2e19d2c219bffefce1e532fc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.568465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032463/publication.txt
observed 29eeba35fda22eb86c4cb037456951b2...
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.