OpenTechnical

OT-2026-000027752

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000027752) never changes.

Identity and time

Publication numberOT-2026-000027752 · never reused
Internal UUID01a0ae72-a4a4-7e91-92cd-a269ab24e460 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027752
StatusPUBLIC

Content hashes

Canonical textf0b8c1f29f8684ccd7615081c50b62c88d3a0105e8ea6bbfb2e0b4d26c59867a
Markdown08b943c1ed38eb5eec11255224da44cc69a0a59f89f3b60127b1c53a641cba58
PDF
Publication page7edfce107b8f40ad1e869e28a82de827e53fe30b68393c1866e618577e986a1b
Manifestfe8d617d2e4f29e388bc0f2ac3cbaee7b5e8ba8c5965c6173249793469e7e70d

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
SignatureOYl6smURI9zTQgpEXKlsrha3lSaiTm4frNU3hQUbxcuAVEVyi1KOb906lAMn/3pqqV42Z+EQuAq7nbKnVLPZDg==
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

2026-09-17T11:41:47.520992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027752
observed 7edfce107b8f40ad1e869e28a82de827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.502627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027752/manifest.json
observed fe8d617d2e4f29e388bc0f2ac3cbaee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.484159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027752/publication.md
observed 08b943c1ed38eb5eec11255224da44cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.462984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027752/publication.txt
observed f0b8c1f29f8684ccd7615081c50b62c8...
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.