OpenTechnical

OT-2026-000038089

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000038089) never changes.

Identity and time

Publication numberOT-2026-000038089 · never reused
Internal UUID01a0ae77-f88b-79bf-8137-6b96bbaac398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038089
StatusPUBLIC

Content hashes

Canonical text94cf4c1dbb236b3af8becdfde8cb5f5d32425c63fc53ce9ba37332e33b3e2dd2
Markdownf3ffdbf2680e5e596ac1bae80283e761f42814f86e19aa18d1f8a17d635da21a
PDF
Publication page559c7712156383d99d303aae5530f6673de7ea63108dca02e8f0353e28f34148
Manifest137d8f8e10de81b72e87304f510b2d509e29596d42445f84e1764b6e47636130

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
SignatureFlxJiqYuwxPJwKLFeDKQCwCH7ILItf6jEKaTggL+gb5zeWKPj97OO71SedTzcHeux/zpHDqE1QsW38R+ejLtAQ==
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

2026-09-17T11:23:25.234837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038089
observed 559c7712156383d99d303aae5530f667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.218400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038089/manifest.json
observed 137d8f8e10de81b72e87304f510b2d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.200298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038089/publication.md
observed f3ffdbf2680e5e596ac1bae80283e761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.180737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038089/publication.txt
observed 94cf4c1dbb236b3af8becdfde8cb5f5d...
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.