OpenTechnical

OT-2026-000075088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000075088) never changes.

Identity and time

Publication numberOT-2026-000075088 · never reused
Internal UUID01a0ae93-ac2e-77e1-808e-c74f258e34d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075088
StatusPUBLIC

Content hashes

Canonical textd7431bf9f6a4d270c874c55cda5e7c869df63eb4ae620754072567c79d726f57
Markdown2758de3796f3de84406e6ab91b93e58bc03910aac5015f7fde4dfb827a7030a6
PDF
Publication pagedab6dc7ad70745ba1f3f761431db2961c7872465feb1b8c6df4e06eaef6c4724
Manifestd847e5d8f7b352436344a6fb3420dca5eed3ea0794c7af9f31d0eb69f0243686

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
SignatureExIzEocJwS31U6jZ2icz0f37cL0LbHk321X0IgBKh49YrSKjux6Uo/26KsYOUMpXeE3AOTroEn/9j71xy8qTDw==
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

2026-09-17T10:18:54.644340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075088
observed dab6dc7ad70745ba1f3f761431db2961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.627224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075088/manifest.json
observed d847e5d8f7b352436344a6fb3420dca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.611041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075088/publication.md
observed 2758de3796f3de84406e6ab91b93e58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.594990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075088/publication.txt
observed d7431bf9f6a4d270c874c55cda5e7c86...
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.