OpenTechnical

OT-2026-000081697

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000081697) never changes.

Identity and time

Publication numberOT-2026-000081697 · never reused
Internal UUID01a0ae97-0f73-7221-864c-4847a140fcca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081697
StatusPUBLIC

Content hashes

Canonical text588ebd054cc73b6c3d8fa96d00f8276992414e27f745094ec50e5b45be1a121f
Markdown6ee6202b92cb1046fc5ffeaaebc81487ba751cdccf6a75e373c14ef84c87564d
PDF
Publication page793f894213a10f76d1211aa3609841e3dd6fe3e0ff7ffc699a9eab48650ceb28
Manifest21423268fe51cdd5d607837c884c78904ebf5f916c979ec61ea1488235219c92

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
SignatureD8DI3qG1U0tr0D1ScXYicOP+0Ibg9IMAiqzNBjXGb/7VTREvim3qghKzVLniE7HnkUP3APM6tLeaU0D+W6g6Dw==
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

2026-09-17T09:59:45.849523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081697
observed 793f894213a10f76d1211aa3609841e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.830586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081697/manifest.json
observed 21423268fe51cdd5d607837c884c7890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.809690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081697/publication.md
observed 6ee6202b92cb1046fc5ffeaaebc81487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.792193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081697/publication.txt
observed 588ebd054cc73b6c3d8fa96d00f82769...
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.