OpenTechnical

OT-2026-000073102

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000073102) never changes.

Identity and time

Publication numberOT-2026-000073102 · never reused
Internal UUID01a0ae92-c816-7faf-9ac2-17ce8bc8887c · 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-2026-000073102
StatusPUBLIC

Content hashes

Canonical text936c17c7002e1f94fb5e8ab58fc9180743e67961f9aa1266c28b9cb2445426cd
Markdownff81a7b063eae203de9ccc94ef57be1c6d79ede8ba4e36db4f852663ce1809bd
PDF
Publication page96824021cd959ae7bb6d38a0c9b6303806677ae35f347fae4dd69b36308415c8
Manifest6672242fc635e3b7e7570cd36fce133019ca46d7f97c1849b2a9e56d4eaee1f4

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
SignatureRxvpfViLJ4YeizVUkQCEOC+2mufC0ZO/Ki/WQfa8XMtFXKgwyztOg2Je9flPf9ijmUAF0FUFs2uxAwKxSeKYDg==
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

2026-09-17T10:22:03.775369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073102
observed 96824021cd959ae7bb6d38a0c9b63038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.757698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073102/manifest.json
observed 6672242fc635e3b7e7570cd36fce1330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.740468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073102/publication.md
observed ff81a7b063eae203de9ccc94ef57be1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.722733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073102/publication.txt
observed 936c17c7002e1f94fb5e8ab58fc91807...
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.