OpenTechnical

OT-2026-000087691

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000087691) never changes.

Identity and time

Publication numberOT-2026-000087691 · never reused
Internal UUID01a0ae9a-cd54-7710-ad0a-b54a81e324a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087691
StatusPUBLIC

Content hashes

Canonical textab0253204d33d15f00eb38df8690afc4aa0bd488c627c0ec59e3aa072aa88ffc
Markdown7e8127b4812666e12ee8b17a58c4cd5264bf875725e50d9d0e7c4df47282c8a5
PDF
Publication pagebd41a70c17157290722fd112ac12bb3c0f1f7548fa59a29af423e17c0ace99fa
Manifest9f03a322fa1d373ba272f1703b88ecc952de2ae4cbd6f71f7a2742d74e1be4b8

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
SignaturesjTXb8I4mPuhQZS3c2oF0lwsGdksCub1KQXk7JsB22uKGA3qI0JyTMw8A20Xrsx119t2a+YOzTtrAfCDgR2FBw==
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

2026-09-17T09:51:08.392066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087691
observed bd41a70c17157290722fd112ac12bb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.375448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087691/manifest.json
observed 9f03a322fa1d373ba272f1703b88ecc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.360700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087691/publication.md
observed 7e8127b4812666e12ee8b17a58c4cd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.344034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087691/publication.txt
observed ab0253204d33d15f00eb38df8690afc4...
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.