OpenTechnical

OT-2026-000085568

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000085568) never changes.

Identity and time

Publication numberOT-2026-000085568 · never reused
Internal UUID01a0ae99-aaac-732d-bda3-6f20a58c0b54 · 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-2026-000085568
StatusPUBLIC

Content hashes

Canonical text66633a6b4146ddcdb795aaa9bc094856f344946bd819a92b22b68072752a7505
Markdown4dcb58d338c194fc42db58b3323a2aee88f117c8d0e9a8704d99cadb318d5419
PDF
Publication pagedd2326e55d48fefc105a8b4a3b2b9582163886afd65ee3658a23ac5ce664757d
Manifestfce531af8d7fadcf4e707e5fae9ce05c22b5df9f2b17edd27ef695c322ad4237

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
SignatureIxGjHrI7Oy8KIZ5niLXfM0Ty62rCWpVJSDp2rYiyvr7lQ0isMiStaglh1SVsw0DEPT56/RI6Q8ydsOYhieXjDw==
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

2026-09-17T09:54:23.438629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085568
observed dd2326e55d48fefc105a8b4a3b2b9582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.421267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085568/manifest.json
observed fce531af8d7fadcf4e707e5fae9ce05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.403529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085568/publication.md
observed 4dcb58d338c194fc42db58b3323a2aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.385688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085568/publication.txt
observed 66633a6b4146ddcdb795aaa9bc094856...
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.