OpenTechnical

OT-2026-000071511

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071511) never changes.

Identity and time

Publication numberOT-2026-000071511 · never reused
Internal UUID01a0ae91-e0ee-70c3-bb82-2e42b1b05cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071511
StatusPUBLIC

Content hashes

Canonical text2fe85d846053bd177be9ce5e688ff7d328378906b8d867fee1a6f3a0aca5ec2a
Markdown8e87ce364ec0d7c0c3b03b32f681226a384d06fb7fd9697bf2d91a027a203861
PDF
Publication page37d44f501bd19de670a48631844000a2f308448269947778f7f7b00c8b07cae6
Manifestd8942f1159a6d642d4bd2f06b7ccdb23244677e04946739a2717f3151053d43b

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
Signature9cvL5quEEg7niEzPSLPOfT6RoNcpDWzae/gmesDRejm2zAWkEbs+uFvVge+togFlFWwDrTTuuY8rH9dbipbZCw==
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

2026-09-17T10:25:09.436895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071511
observed 37d44f501bd19de670a48631844000a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.418994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071511/manifest.json
observed d8942f1159a6d642d4bd2f06b7ccdb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.401700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071511/publication.md
observed 8e87ce364ec0d7c0c3b03b32f681226a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.384239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071511/publication.txt
observed 2fe85d846053bd177be9ce5e688ff7d3...
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.