OpenTechnical

OT-2026-000012979

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed 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-2026-000012979) never changes.

Identity and time

Publication numberOT-2026-000012979 · never reused
Internal UUID01a0ae6d-5564-7107-af1a-b7ad13f9c038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012979
StatusPUBLIC

Content hashes

Canonical textb6c9bf765fbbe15a5d0102383075ace2428cd178c5b949cfe7208a4b821d54c1
Markdown6ad4e48bdcb677ae211540d901662f3e72433ca895f82190cfe64ccd69d0dfeb
PDF
Publication page4bcfa8e2db32a294ec6f38924b71b66da38752ef410e2a7b08d3d2ae5e49443a
Manifest6717ace211702c9841847ff83dc273ba9f015048398d1d75056f33f9e8659c53

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
SignatureUzfiLz3cg4O04H89oYsk5tsomKbh59YZWmzSibolgjJyhu73VhOO8aqo/hRXAWXZuk2wkh2B0tw6sfJ5ju/QCg==
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

2026-09-17T12:10:47.542968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012979
observed 4bcfa8e2db32a294ec6f38924b71b66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.525529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012979/manifest.json
observed 6717ace211702c9841847ff83dc273ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.505267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012979/publication.md
observed 6ad4e48bdcb677ae211540d901662f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.487244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012979/publication.txt
observed b6c9bf765fbbe15a5d0102383075ace2...
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.