OpenTechnical

OT-2026-000101121

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000101121) never changes.

Identity and time

Publication numberOT-2026-000101121 · never reused
Internal UUID01a0aea3-c378-75fe-b65e-656085310301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101121
StatusPUBLIC

Content hashes

Canonical text83b80d357992b043e383507367ff3ab52de7a4e4262e5047f39767a33f0aa3ec
Markdown5107529b7e223bc8d48427518f1e5251c2b6965a8012e3981d3adb76b61a01aa
PDF
Publication pageff7aa96f1ca869afeffdad0ec9b76e46849ec66a96bf27c07bf580673586bc66
Manifeste4db9abb110d1de632b23dbc799963f4762fdd624090dd978bea7784a09246e2

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
SignatureDwUbsfDDbFvERrdzjoFtghJw9wSkLv6wbOIWiSA3RWcQsx3KDO/tMoBMr6HArWmG6E6AfDsLiT/dZjvdzgprAQ==
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

2026-09-17T09:26:44.998347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101121
observed ff7aa96f1ca869afeffdad0ec9b76e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:44.981782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101121/manifest.json
observed e4db9abb110d1de632b23dbc799963f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:44.964144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101121/publication.md
observed 5107529b7e223bc8d48427518f1e5251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:44.945095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101121/publication.txt
observed 83b80d357992b043e383507367ff3ab5...
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.