OpenTechnical

OT-2026-000101143

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000101143) never changes.

Identity and time

Publication numberOT-2026-000101143 · never reused
Internal UUID01a0aea3-c378-7cee-86a0-83ce344a342a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101143
StatusPUBLIC

Content hashes

Canonical text6cee383d6a35603eadbe815d01f6526825c724b501c143eb7c301683e3ebff03
Markdownda9604513f4e8ec5ddcfa0f1f7a59a8929440228a727837f2a0f2cfde0ae84e5
PDF
Publication page861cb5747ec76741217a1005e051a46322c9fbebeaa305019547bd3598194164
Manifestaa368887f0d4230ccb6d12715db50622f60059653f250cd77bf916747bf983be

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
SignatureJCfuqJO/bjvYa2wIKrV0Chpms35HDisa3tXUdcBsI5VtUlwVkvXxAKoCWXmbrYqH9tairrGPPUvJRR94nMT1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:46.588769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101143
observed 861cb5747ec76741217a1005e051a463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.572329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101143/manifest.json
observed aa368887f0d4230ccb6d12715db50622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.554773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101143/publication.md
observed da9604513f4e8ec5ddcfa0f1f7a59a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.535735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101143/publication.txt
observed 6cee383d6a35603eadbe815d01f65268...
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.