OpenTechnical

OT-2026-000062435

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000062435) never changes.

Identity and time

Publication numberOT-2026-000062435 · never reused
Internal UUID01a0ae8c-0ac0-762f-88e2-47d87fb88dfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062435
StatusPUBLIC

Content hashes

Canonical text285d939d00aa2523ad670dc1401842034be4d91648c518957e77062283c606d6
Markdown2bc6cb9e4fead217dff8736944a6f05b86db276be426cc11dd0a60791ac74d6c
PDF
Publication page32c7a0a5af50b03af864f2ea788031e7090856c69ae6e9815c98c58650a7b69e
Manifest117d47da63f131df8fa556beed3c3acac09c14d8b4f30c7fb638a885ac27bb3a

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
Signatureuh4x28Rkae04r22Lokz9K/z/hxNfwaWHXe3YJIXCB01PZ/APtycV/xWkzxeeYq3nGLs06cqRO9bdZmpkcb02CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:46.417283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062435
observed 32c7a0a5af50b03af864f2ea788031e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.398587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062435/manifest.json
observed 117d47da63f131df8fa556beed3c3aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.380006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062435/publication.md
observed 2bc6cb9e4fead217dff8736944a6f05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.359432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062435/publication.txt
observed 285d939d00aa2523ad670dc140184203...
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.