OpenTechnical

OT-2026-000104158

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104158) never changes.

Identity and time

Publication numberOT-2026-000104158 · never reused
Internal UUID01a0aea5-341f-7462-93a0-ecbe578ea9b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104158
StatusPUBLIC

Content hashes

Canonical text9578861c0659ee67d1f66192039751aed39a5216977fec1bc481ad328b3dfd79
Markdown187f3797591a8fd1bac343bf74882a9a2b99d4e52937fa3800c90cfd7a747f1f
PDF
Publication page4c9f0a1cb5c7f42dde2ca6b83559c0dab3b1c8cc33c5d5933ef7a3f6edef0692
Manifestd63e12ab257029f6baf46ad41d1ff6b88bb23323655a8da0b8877e763889fd4e

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
Signature2WmXZFa9eD6UlFJEUtXPyHS33KzafHF+q3bfabhiSx/1cF9KQQk4RbvWGYrjwD1slHmu8gozpO8Ul/nrCNBXDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:14.820749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104158
observed 4c9f0a1cb5c7f42dde2ca6b83559c0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.804142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104158/manifest.json
observed d63e12ab257029f6baf46ad41d1ff6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.787909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104158/publication.md
observed 187f3797591a8fd1bac343bf74882a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.769883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104158/publication.txt
observed 9578861c0659ee67d1f66192039751ae...
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.