OpenTechnical

OT-2026-000055600

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000055600) never changes.

Identity and time

Publication numberOT-2026-000055600 · never reused
Internal UUID01a0ae86-a103-7583-8bd0-945d55d233fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055600
StatusPUBLIC

Content hashes

Canonical textc0abbf4b68b43b5234778d4444b65de1492caa19b732feaba0e548b562675dc6
Markdown949e328da05783aeb5e25b74f1f94d62bf9e62c677eca386f5dd23cf922acd58
PDF
Publication page222c12dcf2fce765d5e84c0abea3646a79695e0aefe62e9314ac066caae8aceb
Manifestc265b75cc54d487444df0a36f1f73ef6915d8700e7ddd4c183ebefb35a1d4cdf

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
SignaturehNKZaY6LYd93wiTVUYZfhKFZvkalqv32KoW65KJyvtElfXup3Dm442D7CwUKuhagfZ0LlARedNMPl4BTMou/BQ==
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

2026-09-17T10:52:50.454797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055600
observed 222c12dcf2fce765d5e84c0abea3646a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.437565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055600/manifest.json
observed c265b75cc54d487444df0a36f1f73ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.420700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055600/publication.md
observed 949e328da05783aeb5e25b74f1f94d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.403606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055600/publication.txt
observed c0abbf4b68b43b5234778d4444b65de1...
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.