OpenTechnical

OT-2026-000079415

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, 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-2026-000079415) never changes.

Identity and time

Publication numberOT-2026-000079415 · never reused
Internal UUID01a0ae96-0b91-7cd2-bb47-ed6ba1c6ae99 · 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-2026-000079415
StatusPUBLIC

Content hashes

Canonical textdad61b1ca1b6d9c3868c021bfd2cfb2f507579f002f59e035205010895d9ffd1
Markdown59eb588169491c2d12a4556c214316877a9a6303e682a6d43e90262357841f50
PDF
Publication page2a4e4cb0547a650b923a1714b283d56737db1d3c76fb945fc47f73026a2b176a
Manifesta3337efd009d5d71936ffcf7fefbcb828fa9f24eb71c7139cde69adc717b008a

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
SignaturecfV0445DBQh/QC7+BeIrTQLFIwBMa0sewg/otOt2i13EIrErUJp560OpkPM+jnqDD7Zcifp+ufchvyxLH+hWBw==
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

2026-09-17T10:05:02.417338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079415
observed 2a4e4cb0547a650b923a1714b283d567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.397388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079415/manifest.json
observed a3337efd009d5d71936ffcf7fefbcb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.373710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079415/publication.md
observed 59eb588169491c2d12a4556c21431687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.354630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079415/publication.txt
observed dad61b1ca1b6d9c3868c021bfd2cfb2f...
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.