OpenTechnical

OT-2026-000088142

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088142) never changes.

Identity and time

Publication numberOT-2026-000088142 · never reused
Internal UUID01a0ae9b-1aa8-7149-bb02-50752ddd6525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088142
StatusPUBLIC

Content hashes

Canonical textcd6f65bbd6da4448c7c2534ac004e92f405a64568a115dcd82acfbbe2280e8be
Markdowna6f547c469151a6a8ada60cee30c3c45f6402262b231c2e1529437aee1602af4
PDF
Publication page1345e8db517813b05c3a1035ac5b3a369d199a2aa46bd7024a547e986d100c77
Manifest0a59ea2477fe1a7dc6835310b7b0aa428f44eccb71bff52d33158fb46216066e

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
Signaturep61HAG2I+RbXwkP0iPtHse1xyb6KVrHgBjDhFH6853C6DNKLuLWTHD3xOHPtWkR1P2oxcKAX0gx2TkC4ff+7Dw==
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

2026-09-17T09:50:10.661035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142
observed 1345e8db517813b05c3a1035ac5b3a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.643725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142/manifest.json
observed 0a59ea2477fe1a7dc6835310b7b0aa42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.624061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142/publication.md
observed a6f547c469151a6a8ada60cee30c3c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.606870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142/publication.txt
observed cd6f65bbd6da4448c7c2534ac004e92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.934165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142
observed 1345e8db517813b05c3a1035ac5b3a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.915062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142/manifest.json
observed 0a59ea2477fe1a7dc6835310b7b0aa42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.894837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142/publication.md
observed a6f547c469151a6a8ada60cee30c3c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.875762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088142/publication.txt
observed cd6f65bbd6da4448c7c2534ac004e92f...
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.