OpenTechnical

OT-2026-000027274

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027274) never changes.

Identity and time

Publication numberOT-2026-000027274 · never reused
Internal UUID01a0ae72-6996-715b-a71d-6fbed1627ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027274
StatusPUBLIC

Content hashes

Canonical text196752b00136a273824156a5c73a5820aeee107d34137d9710a8b688ab161baa
Markdown2e49c7cd2b554b163a65c813fbe5c6e0cbaa44311e8162fad929040cc9a27c31
PDF
Publication pageb0a2ceec6eb8ab32a1a4ad3db92ee0c5abc3101c99e0537afc0b06c1a276e954
Manifest2955f1a60d9a3a63e4b46a6bb9049013ae305c64b734b983589b1098933234bd

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
SignatureT40DUZJQRU6xfIUbf2VcszZZiHL78818wGH7mCb6x572okH8ORXyMr2U5A8oXo4n85LJSDkKXQwQ4rNXos6xCA==
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

2026-09-17T11:42:39.534475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027274
observed b0a2ceec6eb8ab32a1a4ad3db92ee0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.517899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027274/manifest.json
observed 2955f1a60d9a3a63e4b46a6bb9049013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.500321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027274/publication.md
observed 2e49c7cd2b554b163a65c813fbe5c6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.480946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027274/publication.txt
observed 196752b00136a273824156a5c73a5820...
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.