OpenTechnical

OT-2026-000074786

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000074786) never changes.

Identity and time

Publication numberOT-2026-000074786 · never reused
Internal UUID01a0ae93-ac2c-75bb-adde-4460aa222b1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074786
StatusPUBLIC

Content hashes

Canonical textfa0fa731f96bb6be4ce1b6d1df80572649398f357b5750f61a1be29892ff490d
Markdowndf11863c5ed211f7f9ceeaae58ab03e587d9f75b777afe2d517cd779e009b3a3
PDF
Publication pagef28acff0210a0c4a044b84ff2227a4918936301fcfc56a4ff9cf1f2c905e6c8a
Manifest9fa54c2f0085f33101e6895c8c1ff96fe09f8003489bbee94a0cc856f06acffa

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
SignaturejIF+rP0uKLtZ/njb/ET1Igx+FfXLkf8flVtu9oplu19WXCjvJat+8WxjyLJF0RSrRFf+LTbHtb4yp9exJ/HSAw==
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

2026-09-17T10:18:29.038441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074786
observed f28acff0210a0c4a044b84ff2227a491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.015029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074786/manifest.json
observed 9fa54c2f0085f33101e6895c8c1ff96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.995827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074786/publication.md
observed df11863c5ed211f7f9ceeaae58ab03e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.976861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074786/publication.txt
observed fa0fa731f96bb6be4ce1b6d1df805726...
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.