OpenTechnical

OT-2026-000040915

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000040915) never changes.

Identity and time

Publication numberOT-2026-000040915 · never reused
Internal UUID01a0ae79-6d10-743c-9ff3-8576977f4a20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040915
StatusPUBLIC

Content hashes

Canonical text1c80195169d5d40851a6c43d20a877e11dfbb501e563ffd68133a31d33fba836
Markdown88e299bd95c0e91ccf9b62c99c5019cc3cf1bd95dfa521c252547f3e0a622fb0
PDF
Publication pageef5a25adae771bcbdc4ccf486e1f2ea581fae662c7cea1ccf41f7b8c3d2a471c
Manifest354ec90adb9d42be96b5e37a3b486a47492da763f4a022d497fdbf69238f992d

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
Signature18NyE1HXh/pYranTqikAQO0uqLH73yuAtiKDWBE5JFeiXPV2ZCYyE90nV5flzDw6O+p5eadPUy+H7Ubtv0W9AA==
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

2026-09-17T11:20:18.262287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915
observed ef5a25adae771bcbdc4ccf486e1f2ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.240554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915/manifest.json
observed 354ec90adb9d42be96b5e37a3b486a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.215875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915/publication.md
observed 88e299bd95c0e91ccf9b62c99c5019cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.194691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915/publication.txt
observed 1c80195169d5d40851a6c43d20a877e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.215253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915
observed ef5a25adae771bcbdc4ccf486e1f2ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.199288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915/manifest.json
observed 354ec90adb9d42be96b5e37a3b486a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.182218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915/publication.md
observed 88e299bd95c0e91ccf9b62c99c5019cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.163488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040915/publication.txt
observed 1c80195169d5d40851a6c43d20a877e1...
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.