OpenTechnical

OT-2026-000022847

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed 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-2026-000022847) never changes.

Identity and time

Publication numberOT-2026-000022847 · never reused
Internal UUID01a0ae70-46ea-74e1-89dc-a8fb402ad313 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022847
StatusPUBLIC

Content hashes

Canonical text08c1bd0bfafcdcd0fec0813ac8d87680e0f9495d8a31b470f8d23f5b065180dd
Markdown61075489e6b4f5ef1fc940fcb4cf3f0436fa3336f460b01ef9ac5cc097812957
PDF
Publication page86ff19c15eb1238ae1e5afd4addbde52681ab6e582b7abcd72193493f6fa9f6f
Manifest51817e743fca911f238dcbe0109812f9d787633480465ed11a438c605629b000

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
SignatureqvIUw6pkBtNpOW0T/Lcg6dJo6UYRqm1fsG0a/LQbm9C0JcuzgXU2qMj34kpYA0GWpEepTcHjElHdrR7DZ/BrDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:23.065198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022847
observed 86ff19c15eb1238ae1e5afd4addbde52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.047335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022847/manifest.json
observed 51817e743fca911f238dcbe0109812f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.030508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022847/publication.md
observed 61075489e6b4f5ef1fc940fcb4cf3f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.013666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022847/publication.txt
observed 08c1bd0bfafcdcd0fec0813ac8d87680...
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.