OpenTechnical

OT-2026-000007122

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, pressure verified, contact triggered, polyurethane cups

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-2026-000007122) never changes.

Identity and time

Publication numberOT-2026-000007122 · never reused
Internal UUID01a0a973-77db-77a5-ba7c-39ea16cc9c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:51.966073Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007122
StatusPUBLIC

Content hashes

Canonical text05d967cb4a4dabdaceb95bf358c0547c8355c1f1fe2ef45e03b3dd178e1205ce
Markdown29e577a8a99bb670d8322b29f26331cf28cb96f1f77eecb5ddbb3924a2d26aad
PDF
Publication page3020e13f9bf7fa701271a8cdaac9bb48a043fda522a989434d109c618589636c
Manifest12e51813dc57583a4ffae04f3e4b8a21e2736107c804e54eb0496b0cd6239c6a

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
SignatureiE5lIQqkXF8z5M6J7QefGUukxmHcd3emsTcwmhVwKBnf3WTbWG+4jfY1KKmS2fJR/rCYIuF7bWRttBMG2hcqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:24.646917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007122
observed 3020e13f9bf7fa701271a8cdaac9bb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.630900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007122/manifest.json
observed 12e51813dc57583a4ffae04f3e4b8a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.490264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007122/publication.md
observed 29e577a8a99bb670d8322b29f26331cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.474325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007122/publication.txt
observed 05d967cb4a4dabdaceb95bf358c0547c...
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.