OpenTechnical

OT-2026-000016444

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000016444) never changes.

Identity and time

Publication numberOT-2026-000016444 · never reused
Internal UUID01a0ae6e-2d13-7287-97b4-b00ea3cd62f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016444
StatusPUBLIC

Content hashes

Canonical textb7f792a9102a3f2fb276fda76b16856f038858825fa0bd306f948073a570757a
Markdownde4483a32249b0f5a29266308075ab293e7de7f985cd19edae9c6e484e5b0414
PDF
Publication pageee7eb2a017c6422dbdb412204cfd4d4712f99c74deeb0189968751872938caf6
Manifest06a2d054d70f62ec3008292e941f6c81dbe2ea8f5468ee728eae3e11657b6786

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
SignatureRIxbEZaGis0RS0IPXVBB7sAdihsmDrkIHiW/90D0KvaMCbkyA3bAviUBR1I2lj/PBIZctVCrn+ci7/q5MRp0BA==
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

2026-09-17T12:04:32.709212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016444
observed ee7eb2a017c6422dbdb412204cfd4d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.692701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016444/manifest.json
observed 06a2d054d70f62ec3008292e941f6c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.672393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016444/publication.md
observed de4483a32249b0f5a29266308075ab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.652172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016444/publication.txt
observed b7f792a9102a3f2fb276fda76b16856f...
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.