OpenTechnical

OT-2026-000005108

Publication integrity record

Porous face vacuum gripper, three zone face, two outlet manifold, two stage ejector, contact triggered

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-2026-000005108) never changes.

Identity and time

Publication numberOT-2026-000005108 · never reused
Internal UUID01a0a92e-1bfc-7d9a-949b-5db761b43734 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:06.463731Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005108
StatusPUBLIC

Content hashes

Canonical texte5e85e365200e84f5d8a81be20b88dc260d1c82f29e8a1dafa2f11358d797677
Markdown22f71fcc0c4328e52ab418a85b86ffc95872d6fff47051b88073e434efbeb65b
PDF
Publication pagef15af9b6e392cd11745ce186ac96b69dbcfab06ef9d8c1de61bbd1c83ab904da
Manifest31a3402e4dce40b02329e552901e7a6e84c038cca2be9d56ebd8390997e3791f

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
Signatureq7S1qMKOWIL6kWZ3Bw6bFX6bWYotRaNt01TB2XiUAsYyAJSNQGoaQUgaUfvs3MutDbpKyf6LFsgVDlVbh/fEAw==
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

2026-09-16T07:50:14.670276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005108
observed f15af9b6e392cd11745ce186ac96b69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.657151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005108/manifest.json
observed 31a3402e4dce40b02329e552901e7a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.643736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005108/publication.md
observed 22f71fcc0c4328e52ab418a85b86ffc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.631275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005108/publication.txt
observed e5e85e365200e84f5d8a81be20b88dc2...
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.