OpenTechnical

OT-2026-000086266

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000086266) never changes.

Identity and time

Publication numberOT-2026-000086266 · never reused
Internal UUID01a0ae9a-2c95-7369-bd37-9b110c93b65b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086266
StatusPUBLIC

Content hashes

Canonical text937bcbf03a6bf4eb5d26c104f7447550d331cfd8c7e82e8c4c444d9831061682
Markdown8a752957cfb92252bb8a2b27cd5d1da734b11773cbcee866063eb09e007d8d58
PDF
Publication pageb25e750c069d739454202590b847056bcfadbe1ba22476b523b317e3567e1483
Manifest56aa1446f85a77682095cae0f9ef674647067e55282e1f0eba225e30789277b2

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
SignatureeLk1dp7EgAExg3/2Dner2bhAH0kXlSCrx2wFXP6w5KVYirmgpTvVeuwZTnNip6qXJI8aJP7tPv72cD2ca6mUDw==
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

2026-09-17T09:51:56.067574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086266
observed b25e750c069d739454202590b847056b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.049726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086266/manifest.json
observed 56aa1446f85a77682095cae0f9ef6746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.032315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086266/publication.md
observed 8a752957cfb92252bb8a2b27cd5d1da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.010507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086266/publication.txt
observed 937bcbf03a6bf4eb5d26c104f7447550...
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.