OpenTechnical

OT-2026-000080017

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000080017) never changes.

Identity and time

Publication numberOT-2026-000080017 · never reused
Internal UUID01a0ae96-4377-76e0-b384-a86e0a3d2d87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080017
StatusPUBLIC

Content hashes

Canonical text3f6fa12db1037e9610374598340597c76f2bdffa71f6d5dd1a4af5497ef22f40
Markdowne1cffdb123d7a49f6cfe858eb10855582ed8e7e1871aef178dfd5fa59dd1bcff
PDF
Publication page7b9e72c4537db1718d46351ae3be1e78cb301e5427d06717e84d8bd3d750768b
Manifestf51e0a66db7457bc20645ef5672ec2fb7fcb3c9b5bd09033e0f0a0d055d9eade

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
SignatureF98aMUTen8kekRMLX+CLaqb3fIPMvVoBIABelRv7o84yHp/mz4ldHDIj3EZ4se8ec1uhxr1XPVZmBjuDktj3DQ==
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

2026-09-17T10:03:56.212602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080017
observed 7b9e72c4537db1718d46351ae3be1e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:56.194145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080017/manifest.json
observed f51e0a66db7457bc20645ef5672ec2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:56.177228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080017/publication.md
observed e1cffdb123d7a49f6cfe858eb1085558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:56.160405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080017/publication.txt
observed 3f6fa12db1037e9610374598340597c7...
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.