OpenTechnical

OT-2026-000083412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000083412) never changes.

Identity and time

Publication numberOT-2026-000083412 · never reused
Internal UUID01a0ae97-c964-7797-b060-2c035d3552d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083412
StatusPUBLIC

Content hashes

Canonical texte2d52df203f53d75575d7dc371f8b8d23b5a620e6986326741e2706e5473ad69
Markdown136bf81e66f9efad0397b9bd6e7bb7783aa369cc7e56e9af173db08747d5e74d
PDF
Publication pagebefad6f463cfa1aa7cee095616d06d15bb6d3e6f360cb0733dc280dd05357f8d
Manifeste711df774366203862add4ae2d54754b9a74bdcfca22a1bd63b386f662825c3f

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
SignatureZjaHLc7Z/z+5uSKY93MVT0CJUiTZmFat01S+1BFoSwrc02dvz80Vp13f/d+UnQLOOuHCDpP2WTL4c8uLtN1RDQ==
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

2026-09-17T09:57:49.495400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083412
observed befad6f463cfa1aa7cee095616d06d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.479449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083412/manifest.json
observed e711df774366203862add4ae2d54754b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.462174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083412/publication.md
observed 136bf81e66f9efad0397b9bd6e7bb778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.444403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083412/publication.txt
observed e2d52df203f53d75575d7dc371f8b8d2...
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.