OpenTechnical

OT-2026-000088313

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000088313) never changes.

Identity and time

Publication numberOT-2026-000088313 · never reused
Internal UUID01a0ae9b-5d27-78da-85f8-f53650769763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088313
StatusPUBLIC

Content hashes

Canonical text397e22b37fd44ca1cb7ee8c2bb270bb7b0767d0e43edf51f582e4fba0f803950
Markdown8981363fd48e79dbfecf740f30097bec2837a76f81f3ad849a781796b12d73e6
PDF
Publication pageed5fae22c1471ae2d5fe91c29c45854a314192343ad477f19e6ab5382bbcabde
Manifestcf70d2f1798ea501bd4e07742e1a33091df9e8a84cb9dd168cd9dd5385ad3bdb

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
Signature3ngtSCXyHAL6aagoEyHqwOmzqSw/k5BnGEYc1oGS4vYOBNc77OgNFg0KQvIuJyVTpYURZJExPjGPSf1bzLlMBA==
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

2026-09-17T09:48:39.116908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088313
observed ed5fae22c1471ae2d5fe91c29c45854a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.100171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088313/manifest.json
observed cf70d2f1798ea501bd4e07742e1a3309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.082131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088313/publication.md
observed 8981363fd48e79dbfecf740f30097bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.064314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088313/publication.txt
observed 397e22b37fd44ca1cb7ee8c2bb270bb7...
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.