OpenTechnical

OT-2026-000075700

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075700) never changes.

Identity and time

Publication numberOT-2026-000075700 · never reused
Internal UUID01a0ae94-29fd-7c2e-9caa-683f78956971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075700
StatusPUBLIC

Content hashes

Canonical text80e1037ced5eb9c1a2d09c95972957a3f470027cf035887dc27153d7713725e3
Markdown8728fe0733df85002832829e461080ef916edb682ab590a24d60c66a442b16f3
PDF
Publication page29e6c8c21550c8570dd92afbed116ef7bda617e58f0323d394d24374e3f58b61
Manifestb9f0b03282eaadc2969ceef158988faeea07f7e3f44eda8eae2be6e8b8214b54

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
SignatureV1lj29Ip11vBHChl8JQzv+iSpxqRve5MF9UbSE1+rqhivL/C83E5/z6LcFf7KUoDkZvy+NS7kn8TDvTEfuwxCA==
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

2026-09-17T10:13:54.946642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075700
observed 29e6c8c21550c8570dd92afbed116ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.805512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075700/manifest.json
observed b9f0b03282eaadc2969ceef158988fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.784923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075700/publication.md
observed 8728fe0733df85002832829e461080ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.767137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075700/publication.txt
observed 80e1037ced5eb9c1a2d09c95972957a3...
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.