OpenTechnical

OT-2026-000055641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000055641) never changes.

Identity and time

Publication numberOT-2026-000055641 · never reused
Internal UUID01a0ae86-a103-72f8-8025-0bb8275d49f8 · 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-2026-000055641
StatusPUBLIC

Content hashes

Canonical textacb7eab5407e5f77fd47615f9cf0d7478d333201a71547d450eed5898e5d9d40
Markdown7dbe0a6f4aa88220fe473cddd2df1bf169211202097a45d9fb7f8a626f005e3a
PDF
Publication page5f9ea744acf4c0418aa76f033a2b011ed700f46dc0969b0957063faf678021df
Manifesta16598e130f458da67b865e91f29fdd9040f2ee8e05b331260000aa68d5c09a0

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
Signaturedir3pEvPF2qB0yiNA7AiFYgYCYwAfTo1rvOXmEOjFHBe1m+PwoaOA27PgnALYX9OEiL/jzwlzaxlrI62IkGsAw==
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

2026-09-17T10:52:53.669132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055641
observed 5f9ea744acf4c0418aa76f033a2b011e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.651928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055641/manifest.json
observed a16598e130f458da67b865e91f29fdd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.634205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055641/publication.md
observed 7dbe0a6f4aa88220fe473cddd2df1bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.614782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055641/publication.txt
observed acb7eab5407e5f77fd47615f9cf0d747...
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.