OpenTechnical

OT-2026-000073065

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000073065) never changes.

Identity and time

Publication numberOT-2026-000073065 · never reused
Internal UUID01a0ae92-c816-7694-92d9-4e5ce8df279b · 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-2026-000073065
StatusPUBLIC

Content hashes

Canonical text798eec1ef7bbe7eff6781e5165254c0826351ef6b1d0968fc6f8d0534930f6d8
Markdown0ce38839e4e98fb926c6626b67e19f9b251773bb80e366180cbc07d7005d5a2d
PDF
Publication page9233f763eb0950d028444cabd97b24dd25e9cc794be807f22cbc3a3acacecd2c
Manifestfd1923d9232f5f3b6c5887adf4e58d97285e6889f90c07f7b87c7723d84cc000

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
SignatureA9wVQ2VzIlPQqSKGHjLvWMleytsKkDw0txaiTEXpblCIKkDGTUJsW0ix5VmZE05KiDvipxxd3FZx1+YnwQ8vAA==
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

2026-09-17T10:22:00.786434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073065
observed 9233f763eb0950d028444cabd97b24dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.769364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073065/manifest.json
observed fd1923d9232f5f3b6c5887adf4e58d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.751561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073065/publication.md
observed 0ce38839e4e98fb926c6626b67e19f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.732539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073065/publication.txt
observed 798eec1ef7bbe7eff6781e5165254c08...
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.