OpenTechnical

OT-2026-000047476

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047476) never changes.

Identity and time

Publication numberOT-2026-000047476 · never reused
Internal UUID01a0ae7f-3e58-7d46-a416-22ab3dede910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047476
StatusPUBLIC

Content hashes

Canonical textb7db6e91173a7077e803d081483d3e9d81bf00c2d22c2aa3bb5aa3e457c2a3e2
Markdown6f5495d3c1f13a41bdf6966c46fa5dba81bd80418281b8c279fad82ff47ece20
PDF
Publication pageab343b62e4ca92ed99fed9c77a8346102a16c8f94cc552f3c00c7e429fa7d9c0
Manifest9a476cf9a881299e062bc1bb80b0aa651f23634361bc30b537df83fbe6fcf520

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
SignatureXmkzsqYRYSTmz1jRf3Mwn391LXqe7ci0ICSXGqL5BJnNn1s0QouNqmG3N02wL9HfiZQU1l8h+QRAVWH/Z08TDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:30.805867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047476
observed ab343b62e4ca92ed99fed9c77a834610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.788107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047476/manifest.json
observed 9a476cf9a881299e062bc1bb80b0aa65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.771462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047476/publication.md
observed 6f5495d3c1f13a41bdf6966c46fa5dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.754637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047476/publication.txt
observed b7db6e91173a7077e803d081483d3e9d...
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.