OpenTechnical

OT-2026-000025955

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000025955) never changes.

Identity and time

Publication numberOT-2026-000025955 · never reused
Internal UUID01a0ae71-a83f-7795-b160-bbeb112b674c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025955
StatusPUBLIC

Content hashes

Canonical text8d6c4f7b21c972c27ef5a17b8e8564524d4ccb6f8b19aded41008e9cb01e5172
Markdownfcffa4fe81d472a7d5599b4bfbafccbd2809825a59fddb9a853bdb38ff52602a
PDF
Publication page13c58639c431f604d5898d271c7ec990e57631adb38f0a6010cc0064b03700ef
Manifestfb3c248198840be13f8ec3556fcf32109c9a0f6930bfb041cf16ed53a76f9214

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
Signature4h7Cju9bNmimtanOfF1x+pjW7FTCqu5Csy6/5ytN/Rla978PKmDcvznZx/7hFTdCUwK08dTc3hjGenKLQBRzDw==
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

2026-09-17T11:46:01.318601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025955
observed 13c58639c431f604d5898d271c7ec990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.301613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025955/manifest.json
observed fb3c248198840be13f8ec3556fcf3210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.271641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025955/publication.md
observed fcffa4fe81d472a7d5599b4bfbafccbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.238808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025955/publication.txt
observed 8d6c4f7b21c972c27ef5a17b8e856452...
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.