OpenTechnical

OT-2026-000044633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044633) never changes.

Identity and time

Publication numberOT-2026-000044633 · never reused
Internal UUID01a0ae7c-39d9-7a24-ad36-6f4c92aa85e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044633
StatusPUBLIC

Content hashes

Canonical textaa471c62a350a466c217360024c88956f495b9972b84c40f1337e264523ae4ff
Markdown3427ad18b8426bb7e4c02d7c161a98b902c0d1578d7f8457da6674cbaf3157e2
PDF
Publication pageaa1ed4fc41f4d72e75ef73de85cb3876ae7f22668fb74090cc20f57aecd54e36
Manifest9bcf487b463bea52217183d80b0a84d74ad5e790ec9b5fdca7b83b9ad7a71d46

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
SignaturegIrLq9WxBRH9Ze4FtO1tSfVw3w50LkuxM0mu8JllrLIOkl+eco/3anU8dqLGecgAgaOkYY0vU4yrjm72cXx9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:11:52.417195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044633
observed aa1ed4fc41f4d72e75ef73de85cb3876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.398018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044633/manifest.json
observed 9bcf487b463bea52217183d80b0a84d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.380260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044633/publication.md
observed 3427ad18b8426bb7e4c02d7c161a98b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.363154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044633/publication.txt
observed aa471c62a350a466c217360024c88956...
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.