OpenTechnical

OT-2026-000073038

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000073038) never changes.

Identity and time

Publication numberOT-2026-000073038 · never reused
Internal UUID01a0ae92-c816-7fa7-b9cc-1fdc3b645de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073038
StatusPUBLIC

Content hashes

Canonical textd37260af728aa47743b805d48e2e898e8980eb8cf8954e009d8102ba77d4bb2a
Markdown95dcf92fdbf5b9f721faf5a0337db6b46c10fb9ed0f91f3f1648d64a033a06cb
PDF
Publication page668a6f9882583c5f0f48990b8995cbdea792839e3fa92d988e7946bf652d5e12
Manifest043bb8fb726490fe7bf3acbdc1f82fd33f10c5d2f7cb048966200e313f2a9fc4

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
Signature3qpzsEEHhGgtPmZ49kee6ffoTUOGMPF0p29i2SzaVvb66KjacSUjmi4O461UbE1DkGhjlGe5HSQP8ejPyyOXAA==
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

2026-09-17T10:21:58.809726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073038
observed 668a6f9882583c5f0f48990b8995cbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.791387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073038/manifest.json
observed 043bb8fb726490fe7bf3acbdc1f82fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.775534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073038/publication.md
observed 95dcf92fdbf5b9f721faf5a0337db6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.758433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073038/publication.txt
observed d37260af728aa47743b805d48e2e898e...
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.