OpenTechnical

OT-2026-000077294

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000077294) never changes.

Identity and time

Publication numberOT-2026-000077294 · never reused
Internal UUID01a0ae94-f508-7d7c-bf12-f47702eadc97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077294
StatusPUBLIC

Content hashes

Canonical text48b406a0d72a278cb6ce39df30017f0e89f9b78b144e1bdbf0e9d1d9e03b5165
Markdown33e1ee52fe45db69d2777796d30ec3b105a4f2dd0d5d5b2508962d820d690b7f
PDF
Publication pagec60f56b36f7e4fac5872ce1df91cf740e58377db8e13d218039e512e5f1a06d2
Manifest203afa8d432a270ca0e0821471f81f41df8450a42e8709bf8453a33ad44c34ff

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
Signatureh0TGXt/98fPc7jwM9RIexcYoZAT4vkyIU861msviS3o2n0ehoL0jaAJZyBM7G0ld+1UXXyb/SONlTT1PGpMVBw==
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

2026-09-17T10:08:55.770580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077294
observed c60f56b36f7e4fac5872ce1df91cf740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.749558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077294/manifest.json
observed 203afa8d432a270ca0e0821471f81f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.730660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077294/publication.md
observed 33e1ee52fe45db69d2777796d30ec3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.712155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077294/publication.txt
observed 48b406a0d72a278cb6ce39df30017f0e...
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.