OpenTechnical

OT-2026-000065659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000065659) never changes.

Identity and time

Publication numberOT-2026-000065659 · never reused
Internal UUID01a0ae8e-46fa-7260-86ee-47ba77bca937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065659
StatusPUBLIC

Content hashes

Canonical text769200bb74f44e7684b61610fb45fd1df9a47d9185335218cb3edb74061778a7
Markdownb705bb9c6c3cc01eba04f2bcaf9e998c8d9991773c4b0e225a03558623c9329d
PDF
Publication page2fb35954b9baecec238139d193fcb0459dbc6084cab6f0a82c87c737cbccd0ae
Manifest7587c81daeb8cb47d5cb65fae3374d610dd953c4573eb15385376925627f1df3

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
Signaturei/ONTKfgr70rvAr1r/SgAvTSQiHWZhxI/w7fH2z939xOZ1PAVq5zLIByMRTI0AyHNrUcWJTxZtR9ZI2kJ7A5Dw==
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

2026-09-17T10:34:03.942911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065659
observed 2fb35954b9baecec238139d193fcb045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:03.923990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065659/manifest.json
observed 7587c81daeb8cb47d5cb65fae3374d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:03.906348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065659/publication.md
observed b705bb9c6c3cc01eba04f2bcaf9e998c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:03.888536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065659/publication.txt
observed 769200bb74f44e7684b61610fb45fd1d...
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.