OpenTechnical

OT-2026-000079364

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000079364) never changes.

Identity and time

Publication numberOT-2026-000079364 · never reused
Internal UUID01a0ae96-0b90-7cf3-800e-62ce9cc29963 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079364
StatusPUBLIC

Content hashes

Canonical textfb05f5928896b11f2af4e1aa2d143687261f2ec27728885b3912f596ac01c5c9
Markdownc3e9f4affdd04bf732724cfb182366e6160b403c0d851332b1cfcd5f0c777dae
PDF
Publication paged2e310c195398836b7b293417c815facb68bb2b9876cfa6e72659ffd78b8808a
Manifeste095468d9a9c4842ce96542937a8af341d049f0e57ac41168e31e8f55cda6486

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
SignatureZY7ddlyCyCr/1B/oVaknsqSWnaEobAuVf3D0EUBJb9Bsb1K+pKGmFTJs+LNXeJmHODwnw6lT1FqrpiEhVeUgAQ==
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

2026-09-17T10:04:58.976426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079364
observed d2e310c195398836b7b293417c815fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.957662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079364/manifest.json
observed e095468d9a9c4842ce96542937a8af34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.938851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079364/publication.md
observed c3e9f4affdd04bf732724cfb182366e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.918879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079364/publication.txt
observed fb05f5928896b11f2af4e1aa2d143687...
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.