OpenTechnical

OT-2026-000023931

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000023931) never changes.

Identity and time

Publication numberOT-2026-000023931 · never reused
Internal UUID01a0ae70-aed6-7e6e-88d2-d9f0d2cf6c4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023931
StatusPUBLIC

Content hashes

Canonical text9c6a1b1110b6c3caf4d876b8cef2fca027826ec6dafd67e89263b9fe5abef7b8
Markdownf27d2859070b30a645b71b2eeedd990bfe8b0b42738bc2a6d468c16583c0842c
PDF
Publication page9b37b95b3201c994c780e89e22e576bcc7c87bf66682caffa58cd9939c94d07f
Manifestd64e6d70ac5ebbecc92e56966e6b40b0e118267749d5f43859d2284e68b3b044

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
SignatureM3fyeDJYrAxrrNGMuqGzVY+VKzai7fX11rKf0a0bqPJ0TvHfSVokXoYtFpveWH78oDaXqUDehnj6C59S1dmhAw==
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

2026-09-17T11:50:33.401683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023931
observed 9b37b95b3201c994c780e89e22e576bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.384257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023931/manifest.json
observed d64e6d70ac5ebbecc92e56966e6b40b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.365908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023931/publication.md
observed f27d2859070b30a645b71b2eeedd990b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.347168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023931/publication.txt
observed 9c6a1b1110b6c3caf4d876b8cef2fca0...
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.