OpenTechnical

OT-2026-000089676

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000089676) never changes.

Identity and time

Publication numberOT-2026-000089676 · never reused
Internal UUID01a0ae9c-1a22-7323-b7de-821f6b337afe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089676
StatusPUBLIC

Content hashes

Canonical textd057e352a5fe7dc8ad5bb8d736dbe71c8376bd24a9aacc0d52d55a4519886350
Markdownc14b95e4badcfbdb22dc3beab6e4fbde21e731e2b14e30e018722473a34bc1af
PDF
Publication page09257b148116b62f8268187c2d4d70dd8e05011c927031a8dff8d7791dd1bdf4
Manifest57b9f9c5e359776bd27ba2967e242dab19a760cee2fac891bc18347e445ec371

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
SignatureFVNrsaRc0tUB8tCy17XabFmU5lIAm6lR1raKo3FnV3BAQnRFVhQqkByr2UrW4DRX77ygqXGsVKi48auVeq8qDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:40.384481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089676
observed 09257b148116b62f8268187c2d4d70dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.365713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089676/manifest.json
observed 57b9f9c5e359776bd27ba2967e242dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.348659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089676/publication.md
observed c14b95e4badcfbdb22dc3beab6e4fbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.328341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089676/publication.txt
observed d057e352a5fe7dc8ad5bb8d736dbe71c...
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.