OpenTechnical

OT-2026-000025701

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000025701) never changes.

Identity and time

Publication numberOT-2026-000025701 · never reused
Internal UUID01a0ae71-9bca-7ac3-a8e5-2740925d2315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025701
StatusPUBLIC

Content hashes

Canonical text94c39327d68b984ff402f68581437d3259dbf622f211c51751966d17c4fbc7b1
Markdown068452585c91360aafdee90accb4f08630c510782a8747428c5dde39bca5c32c
PDF
Publication page583f4618d132cadf6992115af999713655d9996f59ab0b04348fcf479fb0cc31
Manifest7d40c64c9c160160c887be176ca6331abf49b704515b3ba9a0acff4e20a598ee

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
SignaturegN7N4LO+fMiHyrozy+ku6Q2EOhF0J58VPnHqPBi1Yd8/X/DHj7GZlupFyOfVXHUUMfE7vgE2IdWtHl1leBr6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:54.957828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025701
observed 583f4618d132cadf6992115af9997136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.939169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025701/manifest.json
observed 7d40c64c9c160160c887be176ca6331a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.920185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025701/publication.md
observed 068452585c91360aafdee90accb4f086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.903842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025701/publication.txt
observed 94c39327d68b984ff402f68581437d32...
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.