OpenTechnical

OT-2026-000080184

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000080184) never changes.

Identity and time

Publication numberOT-2026-000080184 · never reused
Internal UUID01a0ae96-7e76-7590-9d6c-c001cb63f96a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080184
StatusPUBLIC

Content hashes

Canonical textb3426baedecaf3a12c9a23489bff7714aec303974e7d5fba5c9fd133886091d0
Markdown9532abf31b4c3bae3fd0fe454d3abcd9d9078d53229ac7a94e68781c9a59e50c
PDF
Publication page256f576034d54e5fa7d646a1237c1a478a5f857fe7830670b320c771fba9b94a
Manifest21a5f516c868cbedbd49cb8799c7fed5362e7fac33850eb002457bd40cb08ac1

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
SignatureHmm6wII3AHLtctTIzDUOyAuT7lWvHOmE9+dKwgwmubHujGCsVHTcbalDZhWh7T6TfndTbYP8PiBMl1XHl6qoAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:37.372283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080184
observed 256f576034d54e5fa7d646a1237c1a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.354551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080184/manifest.json
observed 21a5f516c868cbedbd49cb8799c7fed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.336066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080184/publication.md
observed 9532abf31b4c3bae3fd0fe454d3abcd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.318532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080184/publication.txt
observed b3426baedecaf3a12c9a23489bff7714...
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.