OpenTechnical

OT-2026-000042237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000042237) never changes.

Identity and time

Publication numberOT-2026-000042237 · never reused
Internal UUID01a0ae7a-5d72-7d40-9c9b-6b92ff7eea90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042237
StatusPUBLIC

Content hashes

Canonical textab0af7b2cb1cb1ab2b6682d793b60619baef323eaaedcfbee6ee88495429f82d
Markdown2888ca0b81bce463dabbcdf7dd212023b7ffef922135d36aa6d776d1c2182d0c
PDF
Publication pagef20e745641862f9d7d2eb4dea504b37e77c417d4f50ea37067fcbd1be317e360
Manifest5665669c9697918cda624aa1e248d9baf7c73090e0b8b944994a402e66ff5a7f

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
SignatureXS4Jy13Cvna1Esgr3FGHHXji/4RNxbtzl0XPCczRBsvE3uxKkcbTL7Ju/o0rNHrq0D11SwdULOeKJxOgfJTEDA==
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

2026-09-17T11:15:54.960245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042237
observed f20e745641862f9d7d2eb4dea504b37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.941306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042237/manifest.json
observed 5665669c9697918cda624aa1e248d9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.923729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042237/publication.md
observed 2888ca0b81bce463dabbcdf7dd212023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.904930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042237/publication.txt
observed ab0af7b2cb1cb1ab2b6682d793b60619...
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.