OpenTechnical

OT-2026-000030451

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000030451) never changes.

Identity and time

Publication numberOT-2026-000030451 · never reused
Internal UUID01a0ae73-e503-73c2-9068-b7dd372f7bed · 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-2026-000030451
StatusPUBLIC

Content hashes

Canonical text1827559f20a4e4bda154df9452bde75c2f71bf436bfbe2d9b6c8ab151465404f
Markdownc8a47595045fcd1141f4eecb948798ab247879a1a922ba0beb5337b57da689b4
PDF
Publication pagec1f6cf99b1cd2f7fb0750bee4bd2dd8d43cf59ddd76e1f06fc5cd6c6e5480033
Manifest63b1de0592559a71fa0b84b2546505e6ce46e5b84d63fe2262f2a21747802fef

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
SignaturepbMmxfzF+uSi7oWRQTfeLtMQe3muNA5NAq4f+qv93sh5yZUli2XlftGlAVdluwFmS+29mSXIF2rSbG8tFtCCCA==
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

2026-09-17T11:38:11.782695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030451
observed c1f6cf99b1cd2f7fb0750bee4bd2dd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.765412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030451/manifest.json
observed 63b1de0592559a71fa0b84b2546505e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.745634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030451/publication.md
observed c8a47595045fcd1141f4eecb948798ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.722333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030451/publication.txt
observed 1827559f20a4e4bda154df9452bde75c...
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.