OpenTechnical

OT-2026-000029372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000029372) never changes.

Identity and time

Publication numberOT-2026-000029372 · never reused
Internal UUID01a0ae73-5e20-774c-af07-847665d0ee8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029372
StatusPUBLIC

Content hashes

Canonical textcf48b85bcc3816eb76567b3c7114bf1460ee0a48ee855fe8bc65008e716244b1
Markdown06fc65a4bf2e120d87c8657f9ec43db12acafe24b268ce53107afb368f0897a5
PDF
Publication pagea225ddc0e6c6a67e3dbdada521a6e0c44b3520e6590b1fafab039a2931cd508b
Manifeste1bdddb7686715f1e456f178c9158ec182320939730fdfdc9b8b2babcbe1dbf2

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
SignatureXQO5MmCzBbxOQuI4Noycm/OIJjTq9uT/bbaQsBwVO0gcVu029GlovKNiz5W4JwFK3TimAoxUlcuJqyb4waKTAQ==
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

2026-09-17T11:38:56.046626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029372
observed a225ddc0e6c6a67e3dbdada521a6e0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.028830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029372/manifest.json
observed e1bdddb7686715f1e456f178c9158ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.012027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029372/publication.md
observed 06fc65a4bf2e120d87c8657f9ec43db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.995375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029372/publication.txt
observed cf48b85bcc3816eb76567b3c7114bf14...
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.