OpenTechnical

OT-2026-000005746

Publication integrity record

Porous face vacuum gripper, two zone face, ejector fed, contact triggered on the face

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-2026-000005746) never changes.

Identity and time

Publication numberOT-2026-000005746 · never reused
Internal UUID01a0a943-6ed9-78f6-b466-f419f5432b2e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:23.931860Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005746
StatusPUBLIC

Content hashes

Canonical texta6d80af3a0baf289065b22a776ce9cdb8fe660de55eb7e7526e926528d78b3fa
Markdowna620feb5f061eac972db5341dbd0979ca3927839ef5388297489d0509a95be0b
PDF
Publication pageacf77db0addf6bc145d0bf9eca082d623b18854ff928370626710f189c43109d
Manifest0b56a447180e51f7184739bd4df027025b78e8e26af1be1ebb6845e37da66eb7

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
SignaturecjDtAd/RZagrXd7QSGougegXVOcj4pN/JPkkpt/Ufo4Ss+a0vJC+yJE4K+b5pqUZzs3E/yklU9XUDWcNfHW7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:04.660148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005746
observed acf77db0addf6bc145d0bf9eca082d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.647567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005746/manifest.json
observed 0b56a447180e51f7184739bd4df02702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.633502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005746/publication.md
observed a620feb5f061eac972db5341dbd0979c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.495302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005746/publication.txt
observed a6d80af3a0baf289065b22a776ce9cdb...
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.