OpenTechnical

OT-2026-000075634

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000075634) never changes.

Identity and time

Publication numberOT-2026-000075634 · never reused
Internal UUID01a0ae94-29fd-7a2e-a692-6b7bfb7e2da2 · 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-2026-000075634
StatusPUBLIC

Content hashes

Canonical text8982412440630a22295a953cff70f915a540e89f4460255e3ba27c658aec6882
Markdown2846d10eb736e0c31f055c1d33c2b123e162e6d79750937866e8b47e07e629f9
PDF
Publication pageb0afdf8900398591d95afe373df6e410e45d2b042a9977083e0190f67e08a853
Manifesteca8c130a51f81a59bc87c8b7dddc72042838e4e143cb9888e69f903c3b48d18

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
SignaturegiTtE34hiEb9GoCfCQBNnSyF9S+HNLi28WJlA99ZUK5ey7Niurte5Fq7D9DAq9+mqcnfro65b1njltSPN4A0AA==
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

2026-09-17T10:13:31.727828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075634
observed b0afdf8900398591d95afe373df6e410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:31.557580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075634/manifest.json
observed eca8c130a51f81a59bc87c8b7dddc720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:31.023806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075634/publication.md
observed 2846d10eb736e0c31f055c1d33c2b123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:30.274750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075634/publication.txt
observed 8982412440630a22295a953cff70f915...
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.