OpenTechnical

OT-2026-000008312

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000008312) never changes.

Identity and time

Publication numberOT-2026-000008312 · never reused
Internal UUID01a0ae6a-908e-7a24-b3e9-a0f53a1e69b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008312
StatusPUBLIC

Content hashes

Canonical texteb1d660e596aac383979ab05ee1c7739c8ac46c546ae76873585d59c13fd8022
Markdown9124582ea46adff8f86644d6c2c5b3f3490691e459db902886481a7862351a7c
PDF
Publication page9f1101481c909cbbf23fdc9b49ec50516bfc3dd19669195028322393002c82a5
Manifest82ab70443af335608a064f24867a159a094dff8181762e675aab30ef512a6808

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
SignatureQP8dy/MsEW9qooF9FOT4oY4JoXYzRK5qmqPo/sL5Wo1ATH42sn7AtIkuVQ5EDFEjL7CAu0gGQH3MoTn7h6AnCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:52.518593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008312
observed 9f1101481c909cbbf23fdc9b49ec5051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.501708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008312/manifest.json
observed 82ab70443af335608a064f24867a159a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.483823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008312/publication.md
observed 9124582ea46adff8f86644d6c2c5b3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.465822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008312/publication.txt
observed eb1d660e596aac383979ab05ee1c7739...
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.