OpenTechnical

OT-2026-000055430

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000055430) never changes.

Identity and time

Publication numberOT-2026-000055430 · never reused
Internal UUID01a0ae86-a101-7ff1-b294-55abc876a5d3 · 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-2026-000055430
StatusPUBLIC

Content hashes

Canonical textc67fabc9025411f5b805db39eb23906ad396b6f1f7177b9d282e426f0457258b
Markdown9800228866d1a8744a9347bdbfc580af823994c5c5b6d1f869d84a32c9202cb5
PDF
Publication page148a42213f2b3cd2df491e7785fcf66446f84d2a546bcd883a89bbe22f995559
Manifestcc4bcb146c17548c4a84d871dfe15edc1d08347d41fcecdfb652e58efe99717d

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
SignatureHyZGlabjLkN1/SPdF7D3sEnOVbtQmXxNQ+UOEqyCBP17eZD9TNaGIVxSZ2TGov0UtUrIXVQzWC+Jdos2PMmTBA==
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

2026-09-17T10:52:04.700702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055430
observed 148a42213f2b3cd2df491e7785fcf664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.683611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055430/manifest.json
observed cc4bcb146c17548c4a84d871dfe15edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.666520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055430/publication.md
observed 9800228866d1a8744a9347bdbfc580af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.649606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055430/publication.txt
observed c67fabc9025411f5b805db39eb23906a...
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.