OpenTechnical

OT-2026-000063825

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000063825) never changes.

Identity and time

Publication numberOT-2026-000063825 · never reused
Internal UUID01a0ae8d-53b7-7874-ba6a-2bc8287cfc67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063825
StatusPUBLIC

Content hashes

Canonical text6c70e5385af58400481af2f7ab5872820c9d6662421d5c7472fa58e493dac871
Markdown6698a313a15ba5a9200279c96e589a7dadd8ae4b66dd102b4b8deb15653cd949
PDF
Publication page2a8e28af2c85efcb4305e3bf8f62bb7222a88fd6832a2956de7d56773f04d58b
Manifest1546f34c1b174252148cda9d5713cc32ef86c4de3c85a4673961c60c593aad91

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
SignatureNbZZmgm/vqpt30Xqzbzn2WrQtOWT9h24JZwQetorzqUP/rEnHHzbD1sDE9XJVjuuuTWNlJv7Z+Wc40pG81bnDA==
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

2026-09-17T10:36:50.891745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063825
observed 2a8e28af2c85efcb4305e3bf8f62bb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.873679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063825/manifest.json
observed 1546f34c1b174252148cda9d5713cc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.853745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063825/publication.md
observed 6698a313a15ba5a9200279c96e589a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.834644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063825/publication.txt
observed 6c70e5385af58400481af2f7ab587282...
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.