OpenTechnical

OT-2026-000085656

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000085656) never changes.

Identity and time

Publication numberOT-2026-000085656 · never reused
Internal UUID01a0ae99-aaad-76d9-b353-8be503113933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085656
StatusPUBLIC

Content hashes

Canonical text6f9e779eb0ece813d2c473c4e4f52e2ca01f3e1626ceac94d83b3bc2d65f815b
Markdowne4a38eb0fa08a613d8dc98dd8a9014a80c497ccfeeaff26c171bc4d22c29a37a
PDF
Publication pagee69d1a69647760adff2ffa238cb4fc2ad7b7f7495355a054d9ba1511f2fc7339
Manifest7c65850b8690c99aa11668981b5e952fe5fbdb34ee3c2177167fceb7360366a1

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
Signatureszq8OJJ0xqTzs3ROHFtBCY3b2oTjAbjlTc+2JRhZsH0Et77GwvsjwG1TLYqlxqwfA0LQ2Rhd5IM/J/ue3pRnAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:32.810665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085656
observed e69d1a69647760adff2ffa238cb4fc2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.792679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085656/manifest.json
observed 7c65850b8690c99aa11668981b5e952f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.775561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085656/publication.md
observed e4a38eb0fa08a613d8dc98dd8a9014a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.758379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085656/publication.txt
observed 6f9e779eb0ece813d2c473c4e4f52e2c...
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.