OpenTechnical

OT-2026-000072546

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000072546) never changes.

Identity and time

Publication numberOT-2026-000072546 · never reused
Internal UUID01a0ae92-89d8-70c5-b4c2-aeef7fe76d4a · 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-2026-000072546
StatusPUBLIC

Content hashes

Canonical text59aadc7e1ed814e9446ceb531270940501009c80cadd3f9c096f8f9ab1531773
Markdownfe440aaf5c54a443d14b59c4174ea611bfadd5b2151d062cac9943ebb5ec6e8c
PDF
Publication page0433d2c9fe7f0f2617a5f32fce5503764587e801d27db89801249b58589a5282
Manifest27fe34a463d829273a8861307bdbb1c2371d902efb91ebde97aca7416dc21523

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
SignatureRU/sAtM37YMgRaFjMbSuWAQbQdk8ygGow1r0Gci49MM8hVSKs4BJgibNyngtC4KSVLz3yrXd3FD5YleeIZxwCg==
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

2026-09-17T10:22:22.664584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072546
observed 0433d2c9fe7f0f2617a5f32fce550376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.645949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072546/manifest.json
observed 27fe34a463d829273a8861307bdbb1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.627706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072546/publication.md
observed fe440aaf5c54a443d14b59c4174ea611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.608701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072546/publication.txt
observed 59aadc7e1ed814e9446ceb5312709405...
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.