OpenTechnical

OT-2026-000054404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054404) never changes.

Identity and time

Publication numberOT-2026-000054404 · never reused
Internal UUID01a0ae85-b3aa-773b-93b2-bd1021298d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054404
StatusPUBLIC

Content hashes

Canonical textcc99b401e0cdaeace390ec670d6c45871b5c181c3d68c6960e554c232d3e7466
Markdown26cf570137760543b2cbcfab170ad35f41f88e84270eda3230dfe648b30bf11e
PDF
Publication paged3a309956b3a06131bfbbb72abbd5607613bbee70bee52c04dd9d6ce3156ba63
Manifest7304bae877f4066813240d80d160af76781cda89d4444ca5cda998d92077bcad

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
SignatureBy07iDoGadMaPAfenoUXNw8B85GSJfKZtSw01+etVtv8TBlAdyErNEZMyisx3y/IZ2S8HCSxTqNwodEFsFBFDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:56.913541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054404
observed d3a309956b3a06131bfbbb72abbd5607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.893155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054404/manifest.json
observed 7304bae877f4066813240d80d160af76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.872305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054404/publication.md
observed 26cf570137760543b2cbcfab170ad35f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.853881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054404/publication.txt
observed cc99b401e0cdaeace390ec670d6c4587...
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.