OpenTechnical

OT-2026-000094431

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000094431) never changes.

Identity and time

Publication numberOT-2026-000094431 · never reused
Internal UUID01a0ae9e-f4e7-7026-8546-37ee9a7a5238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094431
StatusPUBLIC

Content hashes

Canonical text39ea20b67fdc0723ab9938e782c1e240886f2a76718670dd70d2ca1b5574f310
Markdown5c0091b07f5f91c310deea870681e86dd74791c5113c0956c05e3157099c947e
PDF
Publication page5d7f698d3abf3a0a72d8444d62df321104e482c5030c2940d7fe8308a552c38b
Manifest05d6b7ee54eb4ca6b8e63424e729f9f1502d4eda3ee36f56a73fae2ec6ff7c54

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
SignatureWzlirOCaiqauQtNKCA17ok2Hr6BY50i7Mo31vyYilVKM1BKZimp/gamHykedx6IP5/TwsePVLmLNtKjiwrQTBw==
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

2026-09-17T09:37:50.701413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094431
observed 5d7f698d3abf3a0a72d8444d62df3211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:50.682324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094431/manifest.json
observed 05d6b7ee54eb4ca6b8e63424e729f9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:50.664794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094431/publication.md
observed 5c0091b07f5f91c310deea870681e86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:50.648600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094431/publication.txt
observed 39ea20b67fdc0723ab9938e782c1e240...
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.