OpenTechnical

OT-2026-000037632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000037632) never changes.

Identity and time

Publication numberOT-2026-000037632 · never reused
Internal UUID01a0ae77-b8cf-7fcd-8807-8faf323ea735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037632
StatusPUBLIC

Content hashes

Canonical text24e05d4ff91c476e140b224503a9229340d6bd308b8bfdb0afe3c1eff66de5ce
Markdown575973944c660eebd4d23956dcab6771483a903b1753a0bdc4cba8f1daf631df
PDF
Publication page19ed2df9702a07933f3345d4c2a2ada9eca8f876af60f924a24ec0a6055b112c
Manifestfa810eef14a38546fe345ebeb5eedecd1ec48e8ec5b6e71b086b0a41b248465b

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
Signatureffe94QMxK/REpjGq3bBZiz6Azx4k9pBDWwJuWRxvRFT4F4l//80bTYTTGBfknN0UC96Ih4HDTSaehLLnFS/gAw==
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

2026-09-17T11:24:11.866536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037632
observed 19ed2df9702a07933f3345d4c2a2ada9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.845775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037632/manifest.json
observed fa810eef14a38546fe345ebeb5eedecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.828207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037632/publication.md
observed 575973944c660eebd4d23956dcab6771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.811029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037632/publication.txt
observed 24e05d4ff91c476e140b224503a92293...
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.