OpenTechnical

OT-2026-000030722

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000030722) never changes.

Identity and time

Publication numberOT-2026-000030722 · never reused
Internal UUID01a0ae74-3fb4-7687-b48c-3c511237a9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030722
StatusPUBLIC

Content hashes

Canonical text011522ab6b88e639198acffac241eb2f35b84bb83dac6122773a02fa066cf975
Markdown53ee54444f40569a2d6e49e0034c3e08370de1dd1e818c06ac730dc24decc2f8
PDF
Publication page648e03abee1cd40f386e91cd8cd0b6f7f7cd063e4e31ab52e463616328e3fa12
Manifest4778efc67305b928faab86db09be9b7080d0fb3d5f9f3f3ff0fd023541050139

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
SignaturePU7yQOrBnHgohXYIChF7GVf0vXYRBGng34aZLbIyVNfoWBQ4slkoOutaCeKES/fYCLEiM/1zvWudg4puj/80Cw==
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

2026-09-17T11:36:39.070795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030722
observed 648e03abee1cd40f386e91cd8cd0b6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.046714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030722/manifest.json
observed 4778efc67305b928faab86db09be9b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.028849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030722/publication.md
observed 53ee54444f40569a2d6e49e0034c3e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.010404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030722/publication.txt
observed 011522ab6b88e639198acffac241eb2f...
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.