OpenTechnical

OT-2026-000075658

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000075658) never changes.

Identity and time

Publication numberOT-2026-000075658 · never reused
Internal UUID01a0ae94-29fd-72c3-ad14-641154ab5e79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075658
StatusPUBLIC

Content hashes

Canonical text654a701fa543e4406b08da9570ad0053bd4af6dbced5fcab010e834c1561cda2
Markdown5f00072969afede94c52ebf2a83c613844d52b7ea1f3677a6b7b72121dad252a
PDF
Publication pagece53b8407b68331d80e2a578b2cd80ed2362de894e20729b04240a6401d26cd4
Manifest7ba483da7348652ebef72c4bdd6f64a762af8bd622050bc525365716d662a10b

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
SignatureEUBdehfjhyNXNpErEFc1OW+TewMO9VLVanx2DfF+DMihNbfoQ2dvsxIx8R+f68RCacUGS38gaNyhRRLHHGDRCA==
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

2026-09-17T10:13:44.559238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075658
observed ce53b8407b68331d80e2a578b2cd80ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.542573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075658/manifest.json
observed 7ba483da7348652ebef72c4bdd6f64a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.523410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075658/publication.md
observed 5f00072969afede94c52ebf2a83c6138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.504331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075658/publication.txt
observed 654a701fa543e4406b08da9570ad0053...
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.