OpenTechnical

OT-2026-000079468

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000079468) never changes.

Identity and time

Publication numberOT-2026-000079468 · never reused
Internal UUID01a0ae96-0b91-7bb6-96c5-9936fa5f0fda · 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-2026-000079468
StatusPUBLIC

Content hashes

Canonical textcb135a8202826c2bfe40b161b3e2619e9d3fb0a36d51751967b10ad1fb2187c3
Markdownd1d550c05b30ab664af6a167308459ac08d0579f59ede72a64ad6dd56f1a780c
PDF
Publication page95614931d1e5af9d9d776fe52b3012ea53b53f94d2924d3a27db4a4763c5822b
Manifestcf5840e22d5c74a991213e6b6f86bceff95297021ee3dc2ebe69b93730a11627

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
Signaturexk6+6m3hIgUenEoA3mSstVVVChWpRhyTyg0svLO17Y0G6MAv5kn9aFC/bcybqbupSZ8ncfinnjc/2R9mteHZBQ==
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

2026-09-17T10:05:05.438833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079468
observed 95614931d1e5af9d9d776fe52b3012ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.421437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079468/manifest.json
observed cf5840e22d5c74a991213e6b6f86bcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.402948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079468/publication.md
observed d1d550c05b30ab664af6a167308459ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.383482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079468/publication.txt
observed cb135a8202826c2bfe40b161b3e2619e...
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.