OpenTechnical

OT-2026-000100245

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000100245) never changes.

Identity and time

Publication numberOT-2026-000100245 · never reused
Internal UUID01a0aea3-3053-78b2-8830-1bcd95a37646 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100245
StatusPUBLIC

Content hashes

Canonical text327eea87a76b8a31db5bf7561bfa05760b7b00b88f03d23628e24793d72c10c1
Markdownc233af2c293422616e738af052e0a8d32cc415c4b03d684170c4a9e87a776ed6
PDF
Publication pagec61a28cb66d2001c57ed1ce60e4e47f92618560d4785c8b646a5735f2ec29dd7
Manifest3f43f155d6cbebdf569df9aaa349e1551c41c808c6eaaee3eebf593ba9309538

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
SignaturedUESV0Rit4uuNEXeDCKZqyeYNCUrFmFNA6WCSqJkXIuhPKpUBkqWXJRF470uoJix7k+QGlL7IWm849w8SNygCg==
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

2026-09-17T09:30:02.564827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245
observed c61a28cb66d2001c57ed1ce60e4e47f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.530782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245/manifest.json
observed 3f43f155d6cbebdf569df9aaa349e155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.493165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245/publication.md
observed c233af2c293422616e738af052e0a8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.430357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245/publication.txt
observed 327eea87a76b8a31db5bf7561bfa0576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.237585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245
observed c61a28cb66d2001c57ed1ce60e4e47f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.220854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245/manifest.json
observed 3f43f155d6cbebdf569df9aaa349e155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.201546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245/publication.md
observed c233af2c293422616e738af052e0a8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.182493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100245/publication.txt
observed 327eea87a76b8a31db5bf7561bfa0576...
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.