OpenTechnical

OT-2026-000069458

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000069458) never changes.

Identity and time

Publication numberOT-2026-000069458 · never reused
Internal UUID01a0ae90-b52a-715e-aa0c-6807072d44f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069458
StatusPUBLIC

Content hashes

Canonical text672cb6bbde8a1c3951e9a9b83f78b58bbc9bb2f41c32b6ace651d89bfaf0949d
Markdowndc7d4b0285a7a68a750dd6e6a2bfdb896b8942227a19eb62c4272fe0dc340d7b
PDF
Publication page4754eec771ad2061e6766d5e015d344147bdea974aa870be6f1e77049f59d918
Manifeste1b93baaa33feb87b47483f7f44b75c84be024f01acfbb1ef20fe177836dc5d1

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
SignatureuDp4sCB80M1jlPih9MsOkHG1rCPIf0jGBCKQKJoGM/R/80JpxtUSotrhXpIBgApLTFSMDGRUVt4yyzZuUgPPAQ==
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

2026-09-17T10:30:31.838964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458
observed 4754eec771ad2061e6766d5e015d3441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.818359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458/manifest.json
observed e1b93baaa33feb87b47483f7f44b75c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.798361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458/publication.md
observed dc7d4b0285a7a68a750dd6e6a2bfdb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.780686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458/publication.txt
observed 672cb6bbde8a1c3951e9a9b83f78b58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.619449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458
observed 4754eec771ad2061e6766d5e015d3441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.601582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458/manifest.json
observed e1b93baaa33feb87b47483f7f44b75c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.584682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458/publication.md
observed dc7d4b0285a7a68a750dd6e6a2bfdb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.566898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069458/publication.txt
observed 672cb6bbde8a1c3951e9a9b83f78b58b...
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.