OpenTechnical

OT-2026-000092556

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000092556) never changes.

Identity and time

Publication numberOT-2026-000092556 · never reused
Internal UUID01a0ae9d-b5fd-7a2c-8d17-b67e56d37963 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092556
StatusPUBLIC

Content hashes

Canonical text81dcc1e20b93f19f1e8a837e2f15c234632101ced4ae0594a751ddfa836c7efd
Markdown163d4f82d96576e9f7d772c8fe38079c573d131cfba19f5e0dbb83217300011f
PDF
Publication page84d589deff075c19757506219b5dfd55969d9fe640a65156eec756f97c220965
Manifest9820c69a22222b612a3b3db1a5c5f65332c8650ab33dc892d7bd2139e5179dd4

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
SignaturetuTdszT/x0eh8puZpGAz6xLQ3rK3g55vUFqTDn9jEFEbOv9fdDKTLoR4HAwDov8j/dY8zyPfU61nVe5lV4QiBw==
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

2026-09-17T09:41:08.610364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092556
observed 84d589deff075c19757506219b5dfd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.592806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092556/manifest.json
observed 9820c69a22222b612a3b3db1a5c5f653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.572561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092556/publication.md
observed 163d4f82d96576e9f7d772c8fe38079c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.553878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092556/publication.txt
observed 81dcc1e20b93f19f1e8a837e2f15c234...
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.