OpenTechnical

OT-2026-000076281

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076281) never changes.

Identity and time

Publication numberOT-2026-000076281 · never reused
Internal UUID01a0ae94-6a70-797e-8210-05da52148cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076281
StatusPUBLIC

Content hashes

Canonical text98f8f9caa02dc9438c15aeca24bf513b85a613cefb7476f2d03596ae2fbca276
Markdown7ae5d6dd91c991e6036d17c1b2c08df576ca0c62bd856f20bb892e96a4e82943
PDF
Publication page30425bf7f45c21ed0ec0c4673f826da68e4de3f610d8c428d41e0fc65cb00b85
Manifeste119dd3fbeb099444e23e62a3e0658a6d5ca0f46687c04f5c4d3a9e6b83ff067

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
Signature5PWO/Z3wz+/NdGFog4HPS6jteES277Mhhct73w9sOSSPryhbuRkvy+AKqiaNE0QasDDFzVuVsYL3hFP8WQpPCw==
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

2026-09-17T10:12:04.001929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076281
observed 30425bf7f45c21ed0ec0c4673f826da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:03.982231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076281/manifest.json
observed e119dd3fbeb099444e23e62a3e0658a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:03.964586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076281/publication.md
observed 7ae5d6dd91c991e6036d17c1b2c08df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:03.944502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076281/publication.txt
observed 98f8f9caa02dc9438c15aeca24bf513b...
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.