OpenTechnical

OT-2026-000101874

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000101874) never changes.

Identity and time

Publication numberOT-2026-000101874 · never reused
Internal UUID01a0aea4-50f0-7727-85fb-e41b830fa7b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101874
StatusPUBLIC

Content hashes

Canonical textdeed162f4bd31d22bb101d4cbe84e62c412caee0a123d22604bfa55d634380c6
Markdownc3c2dd407e8f795d80fabd66adde99b15cafe802763e0b62824aca50fd2423c6
PDF
Publication page2ac42af66dc85467198639d9a6bc452780f584b74193ab24850bc7b7fe45baa5
Manifestdcd9d1a17eb441d40aa7b67832d6bb67c1a56b41b3387395b95d866e32294eaf

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
SignatureKT9xo3ifLq0uaiB6puJgpcwoEN4xqbuo9xc2GrWnKShTeT5e3iTR6/BTGX2rSxawzladqBGFPyi+OP1EvyPBDQ==
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

2026-09-17T09:24:28.723529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101874
observed 2ac42af66dc85467198639d9a6bc4527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.704476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101874/manifest.json
observed dcd9d1a17eb441d40aa7b67832d6bb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.684664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101874/publication.md
observed c3c2dd407e8f795d80fabd66adde99b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.668345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101874/publication.txt
observed deed162f4bd31d22bb101d4cbe84e62c...
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.