OpenTechnical

OT-2026-000066388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000066388) never changes.

Identity and time

Publication numberOT-2026-000066388 · never reused
Internal UUID01a0ae8e-ce40-7c56-96be-9405e30d29df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066388
StatusPUBLIC

Content hashes

Canonical texta5674c52d99ebea024733a792189ab9b98886e2bf5103a537b14915bdbffa4c5
Markdown1689229afced47e4f9c72fa78efc501d9e03348f732005ecf0735fd9524bf99b
PDF
Publication pagedfd18c4fa081dee9192448f98fcb886f10a55df3677f7276e19e31d79c5f14d6
Manifest886125e643c95b50e743ab350efc9b938f7b7d788548869396813da0dc44d680

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
SignatureNzghJEJ3IrPQY3tdqvBxCw86DDnCkI68kUnDOk/BKKuSz29sYQp5tzsOHP8uAMcQla64BaK68spmumqbEdOUDg==
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

2026-09-17T10:32:31.593529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066388
observed dfd18c4fa081dee9192448f98fcb886f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.576641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066388/manifest.json
observed 886125e643c95b50e743ab350efc9b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.560994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066388/publication.md
observed 1689229afced47e4f9c72fa78efc501d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.545671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066388/publication.txt
observed a5674c52d99ebea024733a792189ab9b...
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.