OpenTechnical

OT-2026-000021770

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000021770) never changes.

Identity and time

Publication numberOT-2026-000021770 · never reused
Internal UUID01a0ae6f-bb5a-7a01-8ce7-838ba780dc17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021770
StatusPUBLIC

Content hashes

Canonical text08a5c34c824065f2b4f3f08f391a4c11ee7f9d31df2a28dd04066e6010c39f70
Markdowncecafaf0e3926a327fbf5d392767ceb8368b1c4f8d8835e33281f72b83b0c2ad
PDF
Publication page42397ab923aa60ab6cea219dc4dfa9c9c6398f313696602f4035544fec78558f
Manifest21e307c2da099e1a459aa9321b8635cf98e5fecc6612fd46bcf94e0d393bebee

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
SignatureyqojBKOd3vSJny6Z4kyozg68RGA+8I+ifn8bGEKEC3fLW84Oq+emfQRuHCsHtAUhB9dRF4oLqG3nnOO4bK88Aw==
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

2026-09-17T11:54:06.673613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021770
observed 42397ab923aa60ab6cea219dc4dfa9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:06.656228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021770/manifest.json
observed 21e307c2da099e1a459aa9321b8635cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:06.638153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021770/publication.md
observed cecafaf0e3926a327fbf5d392767ceb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:06.619493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021770/publication.txt
observed 08a5c34c824065f2b4f3f08f391a4c11...
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.