OpenTechnical

OT-2026-000102364

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000102364) never changes.

Identity and time

Publication numberOT-2026-000102364 · never reused
Internal UUID01a0aea4-8589-7a13-a633-424d9acadcc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102364
StatusPUBLIC

Content hashes

Canonical text80aef8a85840a9a233412ada0517360100c8947dbdde57afea5a4017003f4ba0
Markdown21e2022ed5e12fabec7ee4630d74553635acfa2919727cdac7e21f39c3574e8c
PDF
Publication pageeb1f54f3c7697a5b16c21aeb4b4455ee7d00f192be8f94f9dca1128bbab7f683
Manifest85c6a4fa782430ba4ba9a9de285ba57bb306d5075e5f0dfc5b82ba1b6044be25

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
Signature/Frhf9pxa6i2ggS4njThmR+1/gInxX5N43JTedX0GsIqrzrgDg3HNsgKyAlAwxBhToaOsKxhOHlFaA37VDHIAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:42.132795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102364
observed eb1f54f3c7697a5b16c21aeb4b4455ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.117145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102364/manifest.json
observed 85c6a4fa782430ba4ba9a9de285ba57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.099296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102364/publication.md
observed 21e2022ed5e12fabec7ee4630d745536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.082379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102364/publication.txt
observed 80aef8a85840a9a233412ada05173601...
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.