OpenTechnical

OT-2026-000088852

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000088852) never changes.

Identity and time

Publication numberOT-2026-000088852 · never reused
Internal UUID01a0ae9b-8f10-7c7f-857c-5c6f10c7f2fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088852
StatusPUBLIC

Content hashes

Canonical text8adba9a5caeb98f582f51cb956ffdf35e584f4f7e8fb073f0fbc759eeb2a0674
Markdownc72926ff35c960bef88e9a1f0eddd5c5ada88b2934f5be527e4e069203427624
PDF
Publication page7b939f290eb75b56d38ca8e9c81c81584ba9a64924b7481c13713f572106eb14
Manifest57ccfeae588a8ffb2caab6093ffdacbb721d2dc1eb7e938f05cf4bd5bb7053b1

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
SignaturekOVNdDHjydLBaiPp8BunT0rfMZvTlL+Af88T/QdccTmvV3/JiA6x/Uz/CK0sP0IL5Ct1A65g9JASwZz8MGlXDw==
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

2026-09-17T09:48:14.636899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088852
observed 7b939f290eb75b56d38ca8e9c81c8158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.617886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088852/manifest.json
observed 57ccfeae588a8ffb2caab6093ffdacbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.601663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088852/publication.md
observed c72926ff35c960bef88e9a1f0eddd5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.582963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088852/publication.txt
observed 8adba9a5caeb98f582f51cb956ffdf35...
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.