OpenTechnical

OT-2026-000087479

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087479) never changes.

Identity and time

Publication numberOT-2026-000087479 · never reused
Internal UUID01a0ae9a-cd51-765a-a49b-9e4257aba4e8 · 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-2026-000087479
StatusPUBLIC

Content hashes

Canonical text502d85808145a5a7d20354a5a2512a99514abed42681acc9779a08ee5b74e725
Markdown7dce07745d8b421e0ebf5ccea3dbe1c5ee313dc45480395419cdb89e7636cc2a
PDF
Publication page992376a8b31a807f566c6a24994d16a7fd48ee65ddb8a2a6cd1e43e99ef39acb
Manifest080990df39515315af8c8f6f2495aa6bfdca0430dedc00a26041f0b6b3b9b0a6

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
SignatureRQCeToAklrKC9dm+ObU/q3eJ6c9QPMWoj8bNJdAr8gW4E2NPTpuLeRZeY6YcDpfLCAklsB2bmyny71fyv7JJDg==
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

2026-09-17T09:50:48.703387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087479
observed 992376a8b31a807f566c6a24994d16a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.686294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087479/manifest.json
observed 080990df39515315af8c8f6f2495aa6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.668367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087479/publication.md
observed 7dce07745d8b421e0ebf5ccea3dbe1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.651620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087479/publication.txt
observed 502d85808145a5a7d20354a5a2512a99...
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.