OpenTechnical

OT-2026-000053485

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000053485) never changes.

Identity and time

Publication numberOT-2026-000053485 · never reused
Internal UUID01a0ae85-0a91-74ed-b41a-e141a91769ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053485
StatusPUBLIC

Content hashes

Canonical texte227a6603932994f5384a5b3368900bd53f54add4d7a42e40aeebe3cdd991a32
Markdown96cf055588ad8a09d37f632ed4ab23ba891deb9002b8b5e7dec0bc040fb76681
PDF
Publication paged703ab3e5a188944bbeab65ceb41096e02ec3fdb8d72e1bbab7c278cc8f52b72
Manifestac77bd34146da6e6ae325b706ed5ff102f5f89197fe20691699bd78432c141ef

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
Signature2vdm0AyecKfHoekIsM27rFf+2LpN4O5p07SFCG2NCrR45y/YVgxomLhDCZPFcPM5toAakDk7QGkEk6VkIjmhAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:19.183970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053485
observed d703ab3e5a188944bbeab65ceb41096e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:19.164567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053485/manifest.json
observed ac77bd34146da6e6ae325b706ed5ff10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:19.143481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053485/publication.md
observed 96cf055588ad8a09d37f632ed4ab23ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:19.115789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053485/publication.txt
observed e227a6603932994f5384a5b3368900bd...
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.