OpenTechnical

OT-2026-000006503

Publication integrity record

Vacuum cup gripper, two outlet manifold, three stage ejector, pressure verified, vented 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-2026-000006503) never changes.

Identity and time

Publication numberOT-2026-000006503 · never reused
Internal UUID01a0a95d-7f8d-79b9-b3ec-4ac730b4c111 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:52.144050Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006503
StatusPUBLIC

Content hashes

Canonical texta5ff1ce90d1a642601b6555bc751957893bc2b42b330b356fbc2c4adaa6c061a
Markdownd7b12dc4e57b52ae5d0bb941509702005037ead4b71aad3d38bed34d04813538
PDF
Publication page78861e20bd70d46bde82aff54c861f0bb385ce8f856b959ccc354b6636540193
Manifestf60cf5551b3b5e27aa039658e14a2926ac6f997563eddb53dcca347ce207ace1

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
SignatureILo8uoB7vwDo5ZlvbWlMU+GpjtoNueQseFZ+9GFCYTpUgjvplijNbRo/0LZzNcksklkEGi6H5+18nQGieOaGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:09.956583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006503
observed 78861e20bd70d46bde82aff54c861f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.943761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006503/manifest.json
observed f60cf5551b3b5e27aa039658e14a2926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.930333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006503/publication.md
observed d7b12dc4e57b52ae5d0bb94150970200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.917012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006503/publication.txt
observed a5ff1ce90d1a642601b6555bc7519578...
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.