OpenTechnical

OT-2026-000080872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000080872) never changes.

Identity and time

Publication numberOT-2026-000080872 · never reused
Internal UUID01a0ae96-b974-79fc-b904-8d945fff2988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080872
StatusPUBLIC

Content hashes

Canonical textc7a03c4428cff8878a2f2162013822bc1788e94adf37050ee069c4580f9ccbf2
Markdown87607e0bb6ecda4db213448cbce7b53c9a4a0276eb0935c748b3b0a04e36bb07
PDF
Publication pageb9a733f575824f20cb255be198993e12b52f47ebf088d3f98a65f0bb9bb94b82
Manifest5070a432ab8ef5f20ece6421085eabf97c91e47e914b6de0f266bcd28bd9a291

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
SignaturesPJUE91zro1Z3nUxP6mMgcpzOwlV1jSnoQWK2HG54NO+9rkED8VXJqYXVsxaRWPUHeXDgxHPCSn/XVbAeW4/Dw==
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

2026-09-17T10:02:04.201690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080872
observed b9a733f575824f20cb255be198993e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.181290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080872/manifest.json
observed 5070a432ab8ef5f20ece6421085eabf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.148721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080872/publication.md
observed 87607e0bb6ecda4db213448cbce7b53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.104740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080872/publication.txt
observed c7a03c4428cff8878a2f2162013822bc...
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.