OpenTechnical

OT-2026-000084303

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000084303) never changes.

Identity and time

Publication numberOT-2026-000084303 · never reused
Internal UUID01a0ae98-5b61-7666-97a3-0829ff1b8a0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084303
StatusPUBLIC

Content hashes

Canonical texta8e9c6540a4d95e0887e81ab1d916f53fee6a48375fa0b4b091a57dd7ebbd2f3
Markdown4f00500f3b5485a2d1b48015d433b94f1fda347745d720e6c8c0b09df4801555
PDF
Publication page444279eeb98d8e17f7063260d72ff97f8e09e04f372a5b965ed4e79ae12f3a17
Manifestb249f4c8b84457a4f36a3d1194564166fed886fa1fbdec1d715a620abb64a686

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
SignatureFjB/xqn0Euhkm85cqJzUzsdk+ZP4Xlft7UFmOF85Al6MLwkisf+z7MRURAbpIL4YyEqIVAY3JfMc6W/hJEALDA==
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

2026-09-17T09:56:13.457335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084303
observed 444279eeb98d8e17f7063260d72ff97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.441508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084303/manifest.json
observed b249f4c8b84457a4f36a3d1194564166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.424368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084303/publication.md
observed 4f00500f3b5485a2d1b48015d433b94f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.408537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084303/publication.txt
observed a8e9c6540a4d95e0887e81ab1d916f53...
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.