OpenTechnical

OT-2026-000068179

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000068179) never changes.

Identity and time

Publication numberOT-2026-000068179 · never reused
Internal UUID01a0ae8f-c4ff-79bb-a4d5-caea55c872e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068179
StatusPUBLIC

Content hashes

Canonical text803bb7adb0a6790e782a7ed36a668aa352c34405a0c66ce53cd39d0e1f0b04f7
Markdown1cab25b46701d2f6893d3b069276c26503dcae741852cea5e77ec401a91bdb88
PDF
Publication pageff08d9813c2b7936971b190e8c9a95f803fda2632ed14d5d0f1bc444f11c4750
Manifestdb6d792ffefa140720734d3ca71eddd71287c4a0d4a035e9e0d69cb09420674c

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
SignatureUC4Vrs2OhtLcK7tp2drmFORmzUqyoWwZWmV42PLKIK5qcAX47lf5bho4T8V9OzugIQTpjKXEhYuS/hRBcoq/BA==
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

2026-09-17T10:30:50.203609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068179
observed ff08d9813c2b7936971b190e8c9a95f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.186118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068179/manifest.json
observed db6d792ffefa140720734d3ca71eddd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.167584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068179/publication.md
observed 1cab25b46701d2f6893d3b069276c265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.150401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068179/publication.txt
observed 803bb7adb0a6790e782a7ed36a668aa3...
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.