OpenTechnical

OT-2026-000021184

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000021184) never changes.

Identity and time

Publication numberOT-2026-000021184 · never reused
Internal UUID01a0ae6f-865b-7525-96dd-662a98a9b7e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021184
StatusPUBLIC

Content hashes

Canonical text2314585f80f0105ce5ababf0ffe6ab8922b013a471fd58ba3179aa8dc43af890
Markdown4f45e41c26cfefa12a5a017e30a4b27ba4f279a8f7e6371111f28912792b8f58
PDF
Publication page89cdd819e223a33be0add4f1750292d96df229a057a5a1dafcc76a8ddd19c43d
Manifest6a8c3268eb5d3de26c1236acd2040895436a0520bcf2e0121db3ce21cc3715f1

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
SignatureLHV/c5zaCbkSU5RmyBQfLouc/lGrr/FQFLwrV4z8KB/BiHXMIJlklRNfnvtV9Zym4ptkf913U/6ebFHo1w7VCg==
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

2026-09-17T11:54:58.323505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021184
observed 89cdd819e223a33be0add4f1750292d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:58.303531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021184/manifest.json
observed 6a8c3268eb5d3de26c1236acd2040895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:58.286652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021184/publication.md
observed 4f45e41c26cfefa12a5a017e30a4b27b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:58.268361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021184/publication.txt
observed 2314585f80f0105ce5ababf0ffe6ab89...
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.