OpenTechnical

OT-2026-000007564

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed 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-2026-000007564) never changes.

Identity and time

Publication numberOT-2026-000007564 · never reused
Internal UUID01a0ae62-4df7-710c-b566-e616968028a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007564
StatusPUBLIC

Content hashes

Canonical text6124640650eacafdb34cfcdb7a873c47ace371ee05c0d158a5eb3df73ff8c8ad
Markdown549751c44618b1593813a187bb1da90cc86112b4fe29497f83e2922f82098119
PDF
Publication pagec0ce5f829f72d33056a565cbc1fbfd618d1a960b598185ad9f7be802395d4949
Manifest5cb82465a6c81a39e89fffff1468a0eeec282ce7beb1237b38241b8fa312fc39

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
SignatureROTC2dkIhUIx+9i12kXsLZSdu/USwhhnBFEiaDw2b+TgqtV1O5PYJr2L3wiECpThZMbLex6dwVtrAaHr9ntlCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.647296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007564
observed c0ce5f829f72d33056a565cbc1fbfd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.629656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007564/manifest.json
observed 5cb82465a6c81a39e89fffff1468a0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.612007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007564/publication.md
observed 549751c44618b1593813a187bb1da90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.595924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007564/publication.txt
observed 6124640650eacafdb34cfcdb7a873c47...
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.