OpenTechnical

OT-2026-000045762

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045762) never changes.

Identity and time

Publication numberOT-2026-000045762 · never reused
Internal UUID01a0ae7d-8f05-762c-b433-32d59907ec3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045762
StatusPUBLIC

Content hashes

Canonical textad66b517c6b4b90accb3a19f9b8edf040478a1a8bec512c4b25decf5fdfc50ad
Markdownda6e4d606ab90dfb751e2755c531705dda6a15d7371626e23c858f24fb1b0a41
PDF
Publication page034f3395f6a76b4b2d4e315309c06aa91493e16622dadc5274a12b427247a5fb
Manifest2f3b942d2b641d0b8e4d45dc42b06ce5e0675b72c4eb66ca575767ce6ca5b0fd

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
SignatureeFcr9po/CisuaOugDH05GdIZbL7ktVg4JVcDA7OMi1Qt8xnC1DL7YyQWSpp/4rvNFY5eHb8gLpbRW29RBw9DBA==
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

2026-09-17T11:09:36.744587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045762
observed 034f3395f6a76b4b2d4e315309c06aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.723823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045762/manifest.json
observed 2f3b942d2b641d0b8e4d45dc42b06ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.703684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045762/publication.md
observed da6e4d606ab90dfb751e2755c531705d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.678377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045762/publication.txt
observed ad66b517c6b4b90accb3a19f9b8edf04...
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.