OpenTechnical

OT-2026-000090672

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090672) never changes.

Identity and time

Publication numberOT-2026-000090672 · never reused
Internal UUID01a0ae9c-7f30-7007-810c-09c3a223b77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090672
StatusPUBLIC

Content hashes

Canonical textc36b313ebe03bccb66e1516d6ffde88fee319e01d3b05c2ceff89704a9b2d383
Markdown5b34bca5bb2e13595b647cb37b944bca02113a2c9149de7e9b6f02eb370abedf
PDF
Publication page2b687a0402e753816126371307cf926edf22bdb274367e1085a0605e87bf47fc
Manifest54c7271a7a3f9ecd116bac274e57663d1f419bba63784d0ecdc5252c166a9f3a

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
SignatureM/WMuoGZLzfGGa/pgEqnKvQN3vYQDIzT0bQ3S0r8V2++xx+FfK1qgOPO345vUG/lbEHf1Xt/1UPHUnBfVRqUBA==
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

2026-09-17T09:44:52.068480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090672
observed 2b687a0402e753816126371307cf926e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.052915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090672/manifest.json
observed 54c7271a7a3f9ecd116bac274e57663d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.036582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090672/publication.md
observed 5b34bca5bb2e13595b647cb37b944bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.018957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090672/publication.txt
observed c36b313ebe03bccb66e1516d6ffde88f...
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.