OpenTechnical

OT-2026-000087223

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000087223) never changes.

Identity and time

Publication numberOT-2026-000087223 · never reused
Internal UUID01a0ae9a-9f2e-7159-81a5-6ab78d4786e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087223
StatusPUBLIC

Content hashes

Canonical textbd0e1bcb160ef47e51dd29c95f88b67ee1b679b45c489fc70db7d4980835ddc4
Markdownccd33960b7ab23056907e139c30994904c1f748fd2fc21d88fd0e396ab57803a
PDF
Publication page5dc45d5d9d88a3710e76f0a32e12944725c81657fbe333dac3692022a0b93424
Manifest0dbb2a91fcaff45b1ef095518e6c2556c663f318c5ec768fb28d71799a8cc1c6

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
SignatureSwCyyf83dHGBbdoGfNZKSLJnb4osgb5Qvz6yLrny+MIRfIPj+faG99dHqxWSmuQls07+khlhwg02C3oc/QMYAw==
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

2026-09-17T09:51:30.356176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087223
observed 5dc45d5d9d88a3710e76f0a32e129447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.339282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087223/manifest.json
observed 0dbb2a91fcaff45b1ef095518e6c2556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.320512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087223/publication.md
observed ccd33960b7ab23056907e139c3099490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.299534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087223/publication.txt
observed bd0e1bcb160ef47e51dd29c95f88b67e...
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.