OpenTechnical

OT-2026-000068806

Publication integrity record

Two pad foam 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-2026-000068806) never changes.

Identity and time

Publication numberOT-2026-000068806 · never reused
Internal UUID01a0ae90-6dcb-7cb9-8d41-3ec8110ba21a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068806
StatusPUBLIC

Content hashes

Canonical textdd8aa229c398fb6d44f396e4128b0237346fe781556fd39c78801901c4109a06
Markdown7cafbea536d48b3521718b38d01322eef8e367cfd1af1e42deeae8dbc835af4e
PDF
Publication page50599ab98f3844a53681405af1675698a0729bd18d8ffe124fa91eb28ee538d3
Manifeste8ca79b5c50070a5ab5c3392c5948fa1561bee5fcc5586f9b762895a45fc28a5

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
SignatureF3Wph02EOoWxrGyD9zZFnizeXp7vKZqG8LudFMS8V5z7Da46JHl+PhEAZ5nNGOaTpHcVKAAAJNbknNgdbo81Bg==
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

2026-09-17T10:28:36.490453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068806
observed 50599ab98f3844a53681405af1675698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.474277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068806/manifest.json
observed e8ca79b5c50070a5ab5c3392c5948fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.458385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068806/publication.md
observed 7cafbea536d48b3521718b38d01322ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.442766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068806/publication.txt
observed dd8aa229c398fb6d44f396e4128b0237...
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.