OpenTechnical

OT-2026-000072558

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072558) never changes.

Identity and time

Publication numberOT-2026-000072558 · never reused
Internal UUID01a0ae92-89d8-7d8f-af18-5735474ef961 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072558
StatusPUBLIC

Content hashes

Canonical text465750646f02f4ea623b3c3983bb495325fed6c64846dca47ad7ceb136673cb2
Markdownfcd7132632e1cae2c9f65e94f456848fff10cb20de2b3c264b039421e4e25d9c
PDF
Publication pagecaeea94bc2024e39ddbb3db56f041c62b2a193518621a5e04399fce4c3633acd
Manifest23d859ebc2b8e0acd0538f6a0a488a8314ff0ad1db38bc376804012eb401e98b

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
SignatureQnqxQ12FptVEwWqlLm+V5Tt+tW54S+ahIootWrq3O6NX4h9mey/HfDyLvMq3O4QLfTnBGUimQr4tNbpLv429BA==
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

2026-09-17T10:22:23.494755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072558
observed caeea94bc2024e39ddbb3db56f041c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.476166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072558/manifest.json
observed 23d859ebc2b8e0acd0538f6a0a488a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.458176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072558/publication.md
observed fcd7132632e1cae2c9f65e94f456848f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.441005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072558/publication.txt
observed 465750646f02f4ea623b3c3983bb4953...
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.