OpenTechnical

OT-2026-000080074

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000080074) never changes.

Identity and time

Publication numberOT-2026-000080074 · never reused
Internal UUID01a0ae96-4378-7115-808d-d289c679026a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080074
StatusPUBLIC

Content hashes

Canonical text391e43fb51b99d60d4874f736398d4b11d43971a8d3be932cd88afbc301c47b4
Markdown7e5a6d3c855f100a22b3133d78350a7b9c52f97619e2148dfe70ff18df332559
PDF
Publication pagef202f58bff65f58fa5caccd33b2b3e0c80da5390f658514d4ef6f0aca5002b10
Manifest27ec97c56088abb2395e5f97ac1beac60d13fbdb0f0ca0112a96fe2bdf0e3013

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
SignatureTvjiZqPZSveg4ckJkUpPrP/zoAYPPEJrCBXCP7J4l1vQc0W0ljwqufLflR8tAP6suZy/yeTfoZgw4m7UK3VUCQ==
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

2026-09-17T10:04:00.575989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080074
observed f202f58bff65f58fa5caccd33b2b3e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.557315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080074/manifest.json
observed 27ec97c56088abb2395e5f97ac1beac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.539980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080074/publication.md
observed 7e5a6d3c855f100a22b3133d78350a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.521998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080074/publication.txt
observed 391e43fb51b99d60d4874f736398d4b1...
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.