OpenTechnical

OT-2026-000005122

Publication integrity record

Bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000005122) never changes.

Identity and time

Publication numberOT-2026-000005122 · never reused
Internal UUID01a0a92e-8dec-778e-93bf-eb6600c6092e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:35.632084Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005122
StatusPUBLIC

Content hashes

Canonical texta7d6bc5a823ca7caa9e5e5d16814dcb4ca756aeec4941a435f05bdf2edf19bb7
Markdown97d69561075e6441ce63ecf5110a69c22fed060364ac9d2e407e9bc084d6a6c3
PDF
Publication page309af055a479934062cc07167afcc05dd342328563648f195a8ef1ae021f4845
Manifest9a3528cf4018644132c7b1f1a7a061d003477ddbc8da22433ebae8e7ca26c4c7

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
SignatureRcT5lA6ODgYDE4GqIeqt51COTNVHPKqsoCyB2ODIpRMbopz5ieXe5kiiaWbmoScaw8sTwpzvbSK8YhNIE5NPCA==
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

2026-09-16T07:50:13.145627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005122
observed 309af055a479934062cc07167afcc05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.129914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005122/manifest.json
observed 9a3528cf4018644132c7b1f1a7a061d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.992451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005122/publication.md
observed 97d69561075e6441ce63ecf5110a69c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.979201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005122/publication.txt
observed a7d6bc5a823ca7caa9e5e5d16814dcb4...
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.