OpenTechnical

OT-2026-000080876

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000080876) never changes.

Identity and time

Publication numberOT-2026-000080876 · never reused
Internal UUID01a0ae96-b974-756c-9701-fa9c913eeee1 · 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-2026-000080876
StatusPUBLIC

Content hashes

Canonical text3844f6d4c6473af1b611469bfaa96d2525619bd7aa503fab13ace5b8ebaccb77
Markdown9f9f1bfc5fe37e7db62128a9565984148664e807f04684b2d86124b48b1bfa93
PDF
Publication page4b7b70721ab0879984f91d5fb01fb69f0e6d651e4b731629e70a3a98defd9231
Manifeste0e74b3f5725502c8c26dd12eaf9f37ec4c3324500b657d9d261451f35a28c7f

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
SignatureYGmDiQ0Y45v9GESiihj4n0xhhEKkxcy6qtJWlvnZmkn8pMsKiW4yXV7cSF+izunHIAf3RcQ6o5yrWtlGpKwGBQ==
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

2026-09-17T10:02:04.508155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080876
observed 4b7b70721ab0879984f91d5fb01fb69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.492170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080876/manifest.json
observed e0e74b3f5725502c8c26dd12eaf9f37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.474291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080876/publication.md
observed 9f9f1bfc5fe37e7db62128a956598414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.456618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080876/publication.txt
observed 3844f6d4c6473af1b611469bfaa96d25...
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.