OpenTechnical

OT-2026-000027653

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027653) never changes.

Identity and time

Publication numberOT-2026-000027653 · never reused
Internal UUID01a0ae72-6999-759c-9efa-fa9a6d30d470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027653
StatusPUBLIC

Content hashes

Canonical text7fd832434d929b2c95c3ab218e81569d8e9b9efff7e39f24be10ef4fe4425db8
Markdown5a9a9c7992a45ef8be4e05b78f43106cea2a0aded0cdcbf00ff204a686d0c0fd
PDF
Publication page39185f506ab2af0f0768b3ffcefc63f18adedcd3519f1127d40f9ea4064357ef
Manifest3c3e954721e2c435d7e04483beaad7c6c10c90f3062b38d43ec377e6e38dcd7b

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
SignatureTm/lB7t+pMjvvT8yel8txWV9ujmRLv7aPwcYuCPiIWDv7VJVduA7tRQQZT1hptZM2WKfB86AZzqIP861yrK9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:10.907444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027653
observed 39185f506ab2af0f0768b3ffcefc63f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.888319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027653/manifest.json
observed 3c3e954721e2c435d7e04483beaad7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.870942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027653/publication.md
observed 5a9a9c7992a45ef8be4e05b78f43106c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.852292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027653/publication.txt
observed 7fd832434d929b2c95c3ab218e81569d...
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.