OpenTechnical

OT-2026-000102817

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000102817) never changes.

Identity and time

Publication numberOT-2026-000102817 · never reused
Internal UUID01a0aea4-858c-7c9e-81b8-b8b8c9678482 · 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-2026-000102817
StatusPUBLIC

Content hashes

Canonical text952385cbbce81743e4a0b13ad3a976523ca6e378b5717011bff60c26341ffcac
Markdownafb787522d1a25624c979496eb84f171ded3174ca8205ee558a7e846622ff59d
PDF
Publication page4d9fc813d99f0376d3dcbb588a1bdcc1dee2e96aae242c571609560052de2c41
Manifest81a28389b230c66123ed75199a5c02a3ebc4fc139fdb10d4975e776b123c3848

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
SignatureZ9feV5rzBbWPt4p71ZEjMjO/p61A+MXFimUrkscTow+htUSrRKqW9BLnP6g4B1vf/oPsBFBB9nOBtEfEAyUpAQ==
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

2026-09-17T09:24:20.966301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102817
observed 4d9fc813d99f0376d3dcbb588a1bdcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.946791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102817/manifest.json
observed 81a28389b230c66123ed75199a5c02a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.927979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102817/publication.md
observed afb787522d1a25624c979496eb84f171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.909284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102817/publication.txt
observed 952385cbbce81743e4a0b13ad3a97652...
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.