OpenTechnical

OT-2026-000061492

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000061492) never changes.

Identity and time

Publication numberOT-2026-000061492 · never reused
Internal UUID01a0ae8b-7b44-7b78-b2e0-c4e7788a8b97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061492
StatusPUBLIC

Content hashes

Canonical textfdaf4016100cc4866fe225eb9056350cf382e9670e11921f7efb30bf7853c279
Markdown1a45d6174683e89222b6456b36950b432de2ca5b13d3bbb2e82554c47ce286c1
PDF
Publication pagef1edec6adb357997ead765623a30bf6add723c3ec86ce72a3899ecad9791d81f
Manifest7c02ca4b6cf2f3f87ab490f7500ef47a2ae5dc44f42e67297a8d2dd27ccce377

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
SignatureMvx/B/MSkYhKwkx+RqYZdoTW37yrqMZXzmEKsAmt3i6w5oZcDyYPxkB1rJEnC1EaMfyBvVVk17mzu4Sdt78ICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:23.057095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061492
observed f1edec6adb357997ead765623a30bf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.039125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061492/manifest.json
observed 7c02ca4b6cf2f3f87ab490f7500ef47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.020074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061492/publication.md
observed 1a45d6174683e89222b6456b36950b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.003414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061492/publication.txt
observed fdaf4016100cc4866fe225eb9056350c...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent