OpenTechnical

OT-2026-000062725

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000062725) never changes.

Identity and time

Publication numberOT-2026-000062725 · never reused
Internal UUID01a0ae8c-6389-76e7-ab6a-a9a633d8fc69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062725
StatusPUBLIC

Content hashes

Canonical text526474951fe04289d9585db9085cb06917d32569c12d3563b661675804f8e74f
Markdown700a658323ae530451b5db315b8c312e053e08a353eadde946f4f53546126dd9
PDF
Publication page2481534da81f2b013ae0b918264433ba6b20fe7e2c4eeff10374c2c8af4184b5
Manifest81e46302eeb614ecf33a02b7f8a3fa30f8fc19e1084cc568dda88dd26e155a2b

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
SignatureJLZqtV6V//I5a/99s/CAtx60PKotq7GXCFXSTAYAgaTOMoMu/vLl8XpuXSp7T0aOqZlwc2oMK1onsYYHhTGyCw==
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

2026-09-17T10:39:17.814311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062725
observed 2481534da81f2b013ae0b918264433ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.796298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062725/manifest.json
observed 81e46302eeb614ecf33a02b7f8a3fa30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.776204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062725/publication.md
observed 700a658323ae530451b5db315b8c312e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.757441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062725/publication.txt
observed 526474951fe04289d9585db9085cb069...
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.