OpenTechnical

OT-2026-000079568

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000079568) never changes.

Identity and time

Publication numberOT-2026-000079568 · never reused
Internal UUID01a0ae96-0b92-7fc9-9d74-54055569223c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079568
StatusPUBLIC

Content hashes

Canonical text85b5c24c8f1b1250bb792d0b7b4e9b1f235d4b27e8eb199d9bc7d82d5247959a
Markdown323c6507682ee96c7f12d14622564f16b5183f8c390f2c240f4f52bba4bb0c79
PDF
Publication page1b87fb2d4b3cb498d1305d213ddd4f06f06b868dc091889a5d4e97928f568f57
Manifeste0fbe16fc289f1ba302165eeaa1896ab049d1ccd866098844b6573c7e7cfa217

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
Signatureuu9V9qfOkzkPi5F8A3qUUqxDWHmK2irwXw02ryAwbdLIdYVoV1AHj/Q1wNJIv7AngRfwonGRM7Ic0PN9iDmbDg==
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

2026-09-17T10:04:08.507836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079568
observed 1b87fb2d4b3cb498d1305d213ddd4f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.488792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079568/manifest.json
observed e0fbe16fc289f1ba302165eeaa1896ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.469949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079568/publication.md
observed 323c6507682ee96c7f12d14622564f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.450935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079568/publication.txt
observed 85b5c24c8f1b1250bb792d0b7b4e9b1f...
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.