OpenTechnical

OT-2026-000071420

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000071420) never changes.

Identity and time

Publication numberOT-2026-000071420 · never reused
Internal UUID01a0ae91-e0ed-7df0-8c86-b4f146cd97fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071420
StatusPUBLIC

Content hashes

Canonical texte1a80998f99458a5feaf36e0db8289e9683b77c3f1c23113992477c82633cf5f
Markdowndaaaa5f1b10aeb5dc342b22f8323c14e4e3852c9bfa8ded083e44f8c8dae8674
PDF
Publication pagecf46737d3a14dfb429b0033b22c4ea4c1f07ee8156a47118a8b59a9b776e644d
Manifesta1567304e51d09468344dbdb39743185ea76e15a249bdc9e9193ed804b0ebf52

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
SignatureRDYf4es79PQ+oSurUPIkKm9esPnzmCVu0CuCtTVrQI0AXil2V193dpqAr/A6rgDTFB60fYYMPyCelZ1trlC0Bw==
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

2026-09-17T10:25:03.235764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071420
observed cf46737d3a14dfb429b0033b22c4ea4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.219858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071420/manifest.json
observed a1567304e51d09468344dbdb39743185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.203647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071420/publication.md
observed daaaa5f1b10aeb5dc342b22f8323c14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.012863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071420/publication.txt
observed e1a80998f99458a5feaf36e0db8289e9...
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.