OpenTechnical

OT-2026-000097840

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000097840) never changes.

Identity and time

Publication numberOT-2026-000097840 · never reused
Internal UUID01a0aea1-92f6-751a-941e-50f61d03add3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097840
StatusPUBLIC

Content hashes

Canonical textee5b4d478435e1725b3d1ba2c0baa7d10e49664459dacb76804be5bf80f9be72
Markdown6c08404234cb8a986d6a25a175fe68a48c7cb602cb3753e88a58a1de51cb5e74
PDF
Publication page66c1ec56e7c3b584292753e23d36223043383d5a5fa85b88c527b4d8523c1ff6
Manifest93e06c6cc7079b5378f054ba7200aa3a6a346d98cd4d920ee7098f9c33a785d0

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
Signature9by3oE7gBkE6y3SghDbAQlBLbjQ30ayGKxc3xF3EpPBd9vWqfhk18qzP6bV5/W7gle+P2huzhCw2TndOhmTzAA==
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

2026-09-17T09:32:56.511696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097840
observed 66c1ec56e7c3b584292753e23d362230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.491609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097840/manifest.json
observed 93e06c6cc7079b5378f054ba7200aa3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.472403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097840/publication.md
observed 6c08404234cb8a986d6a25a175fe68a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.453046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097840/publication.txt
observed ee5b4d478435e1725b3d1ba2c0baa7d1...
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.