OpenTechnical

OT-2026-000089410

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000089410) never changes.

Identity and time

Publication numberOT-2026-000089410 · never reused
Internal UUID01a0ae9b-db01-7009-a6d4-83c77792b17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089410
StatusPUBLIC

Content hashes

Canonical text87725fd9e892c694207b5eb5278108980f41880acb5a6bb5b7084d84895d30f7
Markdown3274198af9897aaf4021f2278f4b8649e70c8c5552e89105b20aed11a93b2ec2
PDF
Publication page214dd514e9ec95e7458c918c498a2c19869539f00a0a02d5927915bfc712791e
Manifest1506eeb9d96653673923e345b02168e735e879002218964509d471a1b18475f9

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
SignatureYPomXjCKCHF87grI3EzsULZtTBuT1Es3vFc+8o+gHP1H/dgmIPbf9hM+4BmhminC267YIKNvktJGEJBba4WlBQ==
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

2026-09-17T09:47:33.105947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089410
observed 214dd514e9ec95e7458c918c498a2c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.088177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089410/manifest.json
observed 1506eeb9d96653673923e345b02168e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.071764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089410/publication.md
observed 3274198af9897aaf4021f2278f4b8649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.055247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089410/publication.txt
observed 87725fd9e892c694207b5eb527810898...
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.