OpenTechnical

OT-2026-000007637

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000007637) never changes.

Identity and time

Publication numberOT-2026-000007637 · never reused
Internal UUID01a0ae62-76bc-7ca4-89da-91f631d978d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007637
StatusPUBLIC

Content hashes

Canonical texteeb29787b8121bdb7b76baff31c9ab903700ba893fc1e87263b8b28469bb1283
Markdowndd81168a8eff58610d26e82f4b869933c883ed6df99895693e716d392c6abd5b
PDF
Publication pagec944619bcaeb9b67fe544f0579b23a63f21950afdadb7b6c0a471c565a6d1a28
Manifest4dd05ec15e1d738e71827cf0775d258137b9fb1fbb96c57cf44b409a98188039

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
SignatureaOhJUYi+njBLA9DKoJ7jG2Gt5qmCqosU0yURL7IWjcA1VNgV/edTSTb/chY+NZRl5EbUzl3LZoCXbSMbZ0aHCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:15.268173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007637
observed c944619bcaeb9b67fe544f0579b23a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.251199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007637/manifest.json
observed 4dd05ec15e1d738e71827cf0775d2581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.234591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007637/publication.md
observed dd81168a8eff58610d26e82f4b869933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.217196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007637/publication.txt
observed eeb29787b8121bdb7b76baff31c9ab90...
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.