OpenTechnical

OT-2026-000032873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000032873) never changes.

Identity and time

Publication numberOT-2026-000032873 · never reused
Internal UUID01a0ae75-4842-77e4-a151-8772aeb50a5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032873
StatusPUBLIC

Content hashes

Canonical textf02ef04714e3fcb579180d399f46e51865db7a92f93630ef19333ea01628c694
Markdown14abc4e8479ea55786e4a21b0225e6f07691b11df40429e29372b0e479f9f7c4
PDF
Publication page7dfff47d4ea4abb62e2bd1c35d0aaf034eeccd5fb64de8a3e5cb7ed79a99e9d1
Manifest7d4afdd872a5f83d285aa344bc2b597f236e6a20f2083417c798051f5a79386c

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
Signature5ZaPKMPlC9/jEAun2ihm+s5ZOFENvMKhdk2kFqW2XOY3Wd/ywdW7h3iJPFwhq90iorYiRa7q3jul9gQNwdtTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:27.098202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032873
observed 7dfff47d4ea4abb62e2bd1c35d0aaf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.079468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032873/manifest.json
observed 7d4afdd872a5f83d285aa344bc2b597f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.058747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032873/publication.md
observed 14abc4e8479ea55786e4a21b0225e6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.039733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032873/publication.txt
observed f02ef04714e3fcb579180d399f46e518...
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.