OpenTechnical

OT-2026-000084636

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000084636) never changes.

Identity and time

Publication numberOT-2026-000084636 · never reused
Internal UUID01a0ae98-e25b-742f-a0a3-d4795bf2380e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084636
StatusPUBLIC

Content hashes

Canonical text8c236d35392b4225e1c847cdf17bcba46a25be3d6d68c662126071a2a6dc92cf
Markdownafb3739f520a84446429abfed8714723ee24ecdc14f552a7cea0227bfca903e7
PDF
Publication page4b382f5149413a617fd24cd8b7f399f5526f38eb62ffb29e6b2f38fb91272386
Manifest3ad814a1b7eb3f7575382941d33eb3661de5b184346194f7630bdf81745c3f56

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
Signature5nEMi1riK5psbyvk5WMOHT4qBRaYgsaGB/VugllXwt/pWqcoBg1pcDhSJiV1QRSmYOXiq3RnJohVvWeVqN49AA==
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

2026-09-17T09:55:33.201650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084636
observed 4b382f5149413a617fd24cd8b7f399f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.184064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084636/manifest.json
observed 3ad814a1b7eb3f7575382941d33eb366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.165715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084636/publication.md
observed afb3739f520a84446429abfed8714723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.148044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084636/publication.txt
observed 8c236d35392b4225e1c847cdf17bcba4...
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.