OpenTechnical

OT-2026-000054020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000054020) never changes.

Identity and time

Publication numberOT-2026-000054020 · never reused
Internal UUID01a0ae85-b3a7-78a2-b50c-f479b588d607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054020
StatusPUBLIC

Content hashes

Canonical textae6afb216daba552f676ca5a0e9d3e1925ff176753d7f5aadaf1bf48d58b70da
Markdownc5e6f8ddcdd532e0414cdddedd1849d80c37eb599c049191f92711c700899cf0
PDF
Publication pagec2dd9a5578c3146d9fe43120a4dc8a0bd63b3925a96755709b56e8c0e53340cb
Manifestffb1d06488b732bf3d2d398f1968a16241247a5cb3039b640516df066d7dd260

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
SignatureYXHavfMQNsSN7D+qGRMn38dGLwczxLB4WNlgdaMvl4r4rIHcEUPZBkw+k2jHRPGoxvAU/cFQVydwxhD0qpdmBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:22.673176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054020
observed c2dd9a5578c3146d9fe43120a4dc8a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.646219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054020/manifest.json
observed ffb1d06488b732bf3d2d398f1968a162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.622380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054020/publication.md
observed c5e6f8ddcdd532e0414cdddedd1849d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.590563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054020/publication.txt
observed ae6afb216daba552f676ca5a0e9d3e19...
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.