OpenTechnical

OT-2026-000099790

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000099790) never changes.

Identity and time

Publication numberOT-2026-000099790 · never reused
Internal UUID01a0aea2-c978-704c-94e2-5f26555616d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099790
StatusPUBLIC

Content hashes

Canonical textd01dca98403c2b961b7ab111924246a1b356e359c3e4f1665ff19efac2857644
Markdown3e15c4a3f393065387c39cadf8ca5e1d6e4738055d3704148d7fa1264cb256c8
PDF
Publication page1557245d309793adf82d4376e7eeb18970cfe68329d837ad30b07ad7b609aed2
Manifest5be044fcd2af8191a797d0b7a6202d1a24fb54c9ea441991adf33d0830156602

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
SignatureX2bqDIV1RSurCo3261T+64Oz21agQKY9GvqD9K37UUtyk0D3F/T41vn1GtrN55D9aXsJBw+DSq7LqADWBj9gCg==
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

2026-09-17T09:29:49.646710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099790
observed 1557245d309793adf82d4376e7eeb189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.628359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099790/manifest.json
observed 5be044fcd2af8191a797d0b7a6202d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.612322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099790/publication.md
observed 3e15c4a3f393065387c39cadf8ca5e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.594620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099790/publication.txt
observed d01dca98403c2b961b7ab111924246a1...
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.