OpenTechnical

OT-2026-000007523

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000007523) never changes.

Identity and time

Publication numberOT-2026-000007523 · never reused
Internal UUID01a0ae62-4df5-7088-ade6-6ec8881bdfbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007523
StatusPUBLIC

Content hashes

Canonical text3286a07af76e12bbf236ea27520dd6012409be30e94b751905cfded1c4b8bdf4
Markdown68787178aba2b58bc620c2c98e1bca8b82e43f31cd1e7ed52379ece4c00df212
PDF
Publication pageb411e53be334d4d53462b8e0b020e81598aa3a301083b57c908d2df84010d512
Manifestb7657454796c7357fbbf018fce15bd209828fb873fef56bd6afdee1cf3bd2c43

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
Signature3Dy8kIUMrv6uslpO3YQhKxxjOu5Ud2wpPBZmmoXz6Ew+9L6+KsaaIew6JR02snUhqox2qhAg6Bn3Rw0EEhWhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:21.832378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007523
observed b411e53be334d4d53462b8e0b020e815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.813613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007523/manifest.json
observed b7657454796c7357fbbf018fce15bd20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.793910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007523/publication.md
observed 68787178aba2b58bc620c2c98e1bca8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.774125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007523/publication.txt
observed 3286a07af76e12bbf236ea27520dd601...
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.