OpenTechnical

OT-2026-000007686

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000007686) never changes.

Identity and time

Publication numberOT-2026-000007686 · never reused
Internal UUID01a0ae62-76bd-75c6-b3a5-c309e5754dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007686
StatusPUBLIC

Content hashes

Canonical text8f25148934af49b84bba8a568fc8de89ee59e881c8ed6d69396fa06eb4e1c132
Markdown5b279aa613bc274de85c03f92c769385e5d5ca1e6f09c68a6e27275ddea10419
PDF
Publication pagedeab84e3e553e54d1e039e18b6b8f65ed0597544b8683c5ecf01ef21c91e9a09
Manifestca37e0d98512bccb842e024e2426b89e26d957166c046ec296fec0b7a626e970

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
SignatureZjdThjyVOKmRdaRp67R5pFQLLcsIlwHzNilB7oG6Kn1qyoNmcHYxL87F8UzIUrqTvWz/zzEWsOgn6PGnE2E0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:18.880555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007686
observed deab84e3e553e54d1e039e18b6b8f65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.862909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007686/manifest.json
observed ca37e0d98512bccb842e024e2426b89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.843442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007686/publication.md
observed 5b279aa613bc274de85c03f92c769385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.825265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007686/publication.txt
observed 8f25148934af49b84bba8a568fc8de89...
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.