OpenTechnical

OT-2026-000015119

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000015119) never changes.

Identity and time

Publication numberOT-2026-000015119 · never reused
Internal UUID01a0ae6d-ef47-79ba-b92c-21bf02b4f9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015119
StatusPUBLIC

Content hashes

Canonical texta1be383761a1af9dec997de875526316a14db1d0c4cbca718f982dd9955b6feb
Markdownbac5182b33004ae718cc409ca0f642026bff04e1af39a2ad66bfea633ff7a01b
PDF
Publication page7f7d3f9823dd6df4c4635ce6add126cd8fb66d79d66b887252937ef2e408be40
Manifest56c81c70cfbdf1e7a7016e9e74587b896bf1ddb37421a860be4c6e5e3c5f0cc9

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
SignaturebmPkwCYI54WYpljaYeJW7RNrjaRoH1+IWnWRhviF4MbbK9pjqKN0uqLnXzh1SpvYveGpnow9caIOr3iucoTHBw==
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

2026-09-17T12:05:42.787936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015119
observed 7f7d3f9823dd6df4c4635ce6add126cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.768851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015119/manifest.json
observed 56c81c70cfbdf1e7a7016e9e74587b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.747756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015119/publication.md
observed bac5182b33004ae718cc409ca0f64202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.729257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015119/publication.txt
observed a1be383761a1af9dec997de875526316...
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.