OpenTechnical

OT-2026-000060681

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000060681) never changes.

Identity and time

Publication numberOT-2026-000060681 · never reused
Internal UUID01a0ae8a-b7ce-7723-b4b3-977462de8ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060681
StatusPUBLIC

Content hashes

Canonical text7156a5c65444866aefb2512185c2bfaa6ac2519480806a5564ac7555ab0a87ff
Markdowncd90c3e95453fd683db7666ccc50717b4c5e76df63e51df688f38ccfc2aadeca
PDF
Publication pagec146c5abce86f73197832b693644f84089590b54fa8b49495bab6e459df62e3f
Manifest1a9263ea2dc34c6513fb8b37639450d979d4dc7c0c01de0560d20c5d9a361296

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
SignatureWM9iDHtPuBP1br5wtyStXdKqVAgiyPkYmJq3BS7NB0hYwtqDHxVYRoZtF1XMGr84eNIZSsWlJS/LoKs1oKu5Dg==
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...

Independent retrieval

2026-09-17T10:43:19.414522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060681
observed c146c5abce86f73197832b693644f840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.396903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060681/manifest.json
observed 1a9263ea2dc34c6513fb8b37639450d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.380368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060681/publication.md
observed cd90c3e95453fd683db7666ccc50717b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.363480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060681/publication.txt
observed 7156a5c65444866aefb2512185c2bfaa...
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.