OpenTechnical

OT-2026-000085415

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000085415) never changes.

Identity and time

Publication numberOT-2026-000085415 · never reused
Internal UUID01a0ae99-aaab-7061-947d-cfd64109cdda · 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-2026-000085415
StatusPUBLIC

Content hashes

Canonical text380ef51335bd4b81db4eede02615c0bf3b320e22e6963416f1e0a75ea872f03c
Markdown63852b43181ee007423d953dd31baeccf4a2a0115cc0eb1b3e28b7a1f511ad6e
PDF
Publication pageb557a10d1fb34e160696a7d75400f15736541c91179e6e012e04325fa717869e
Manifestd378f149cb671c173a165fb82464ab0f5b2c90c3a9d32f5d8a5dc1de228395de

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
Signature3BRUVSOc3qy4TKbOuItyaG162JiGBBcU5OWA1cTyWLljpSV+o3KbwCFPE9Mp4xNFcsas5Zyt1n4/SvTON4abAQ==
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

2026-09-17T09:54:11.302923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085415
observed b557a10d1fb34e160696a7d75400f157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.279515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085415/manifest.json
observed d378f149cb671c173a165fb82464ab0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.261624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085415/publication.md
observed 63852b43181ee007423d953dd31baecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.241669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085415/publication.txt
observed 380ef51335bd4b81db4eede02615c0bf...
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.