OpenTechnical

OT-2026-000018636

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000018636) never changes.

Identity and time

Publication numberOT-2026-000018636 · never reused
Internal UUID01a0ae6e-d520-779b-a883-db200e3d83c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018636
StatusPUBLIC

Content hashes

Canonical textc66bd5fd1d2439f37ea4624c1757cffd9f8399ed2c9f1799d3af12fccafe92ca
Markdown7b936f0217f0759d46c82239c31790f0bb3de854a4f96d05a709aa250c7cf1f5
PDF
Publication pagea646ab50c055da597ae0b1d1cc047141cdf585c5b6d37a8e606768780e8c167d
Manifestea8a240a52f5d86feb58470b927fa156d8c09d6c826996638e1bc49ce719ad77

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
SignatureTeU3G1loE7T//sUYkG+6qC81grmXdaGkzkZaDrRF5fplIt3BhsrtEEQhSI0zbbt96TET/QHl/cuaXboWW39xDA==
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

2026-09-17T11:59:08.095582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018636
observed a646ab50c055da597ae0b1d1cc047141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.075513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018636/manifest.json
observed ea8a240a52f5d86feb58470b927fa156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.058729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018636/publication.md
observed 7b936f0217f0759d46c82239c31790f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.041762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018636/publication.txt
observed c66bd5fd1d2439f37ea4624c1757cffd...
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.