OpenTechnical

OT-2026-000033474

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033474) never changes.

Identity and time

Publication numberOT-2026-000033474 · never reused
Internal UUID01a0ae75-a38d-7b35-9488-7a63ffe9dc04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033474
StatusPUBLIC

Content hashes

Canonical text2298b07e471a7ad120b7934b43171426fa164270c2ad8bb8a3ce1df99bca6204
Markdown20610cf9fff7b6b4014b53461ed6f0fd2d268da74984729ab845802d0b418e3b
PDF
Publication page6e94121b205d07bffdd8b6cb1f80ee124f4b54b5d068280c7ee89bffba7e006d
Manifest4aeb4c509f272723167c3f400ee95758b6ce640b4cb8aaaf5fbf6f507aff8b6b

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
Signaturex/pIyOWu6J1fOXKs/wbf9+Eznp60hE43cSK0V6Jth6g1MTeihnZj0Fd8sg1kMhckmjCvFl8hiALj+qJCG8a5Bw==
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

2026-09-17T11:31:18.991652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033474
observed 6e94121b205d07bffdd8b6cb1f80ee12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.974155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033474/manifest.json
observed 4aeb4c509f272723167c3f400ee95758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.957037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033474/publication.md
observed 20610cf9fff7b6b4014b53461ed6f0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.941357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033474/publication.txt
observed 2298b07e471a7ad120b7934b43171426...
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.