OpenTechnical

OT-2026-000004732

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, three stage ejector, pressure verified

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-2026-000004732) never changes.

Identity and time

Publication numberOT-2026-000004732 · never reused
Internal UUID01a0a921-91e6-7b88-ba14-99535c11bd7c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:32:24.682082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004732
StatusPUBLIC

Content hashes

Canonical text5c2ccb30ac53c791cacd83ed459ec761ea16b1ccfc2faeb043509410725f6ea6
Markdown409ba456b22d48579df8b78c04e125bcf11a9e50f3d0aff8c3af988dfd0fee7e
PDF
Publication pagee1335950df9ca443369d87da5b1730610a3f67258f3443d95ce5720471404716
Manifest0d706bd019ff35595aaab00adff2892bd72755b5527342b9066418e715f43c15

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
SignatureurKwBL6w3ZtReixxdM6Wxr+j2Pxwzdp4QZamJPKvzU+oOhD6mEBWE/g1iS8b0jJO3NGzGwVkOPZ4XEHebUmLAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:24.877385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004732
observed e1335950df9ca443369d87da5b173061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:24.738685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004732/manifest.json
observed 0d706bd019ff35595aaab00adff2892b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:24.726175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004732/publication.md
observed 409ba456b22d48579df8b78c04e125bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:24.713168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004732/publication.txt
observed 5c2ccb30ac53c791cacd83ed459ec761...
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.