OpenTechnical

OT-2026-000014144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000014144) never changes.

Identity and time

Publication numberOT-2026-000014144 · never reused
Internal UUID01a0ae6d-b278-7a2c-8a45-e1aea605edd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014144
StatusPUBLIC

Content hashes

Canonical text8a067325ff1783f8fbc4aed6127c4a1b8c9c79291fd019b0b874e53c2ac85767
Markdown638ea34217c2fe850bc87fadb7de67912b0436cfa621b8a9db80f10141b2b825
PDF
Publication page634436336cb407b93384dd0fd266b425393bb7462db7e599f908976530b104d3
Manifest3f3e0e005ce1888928327d31106ef1dc35a5c3bcfcd450ac79645ca566d2be92

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
SignatureVPyRq8W3vXmc6nTxWtEJaHz69tan0H4umf0OHM4yyqeL36K2xJe990mEssMOfKpdckcAJVslKkS+NYmoK2CnBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:13.382319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014144
observed 634436336cb407b93384dd0fd266b425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.363113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014144/manifest.json
observed 3f3e0e005ce1888928327d31106ef1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.345729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014144/publication.md
observed 638ea34217c2fe850bc87fadb7de6791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.326760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014144/publication.txt
observed 8a067325ff1783f8fbc4aed6127c4a1b...
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.