OpenTechnical

OT-2026-000005030

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, rubber cups, oval form

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-2026-000005030) never changes.

Identity and time

Publication numberOT-2026-000005030 · never reused
Internal UUID01a0a92b-9a4b-795d-b243-550e66018dc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:22.190437Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005030
StatusPUBLIC

Content hashes

Canonical text38f00b10808d4011524c7247c6630529d1433bdd06e18e52c7dc921e28249caf
Markdownef02e897a19f423d7e7eec8ac1a3374f22eb0854db4f20daa4f7e735adbd18c7
PDF
Publication page6852dd545d8f267cf7465f3fd494f1f779a02bba64b7f7500a3ee58adcd09b25
Manifestf88ec3ced35139a16489f12dd374ab501d5b7433020867bc93178b503d0923fe

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
SignatureeKvg/SqSrihO1VQ1/Wi5gvb/g1f/2NyCZ2dUQ2pev/mjhtpXIF/o9SZjhP1eD82Md4WjMKHdvIMXYz2OxD+UBQ==
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

2026-09-16T07:50:23.135788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005030
observed 6852dd545d8f267cf7465f3fd494f1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.121188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005030/manifest.json
observed f88ec3ced35139a16489f12dd374ab50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.982215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005030/publication.md
observed ef02e897a19f423d7e7eec8ac1a3374f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.969127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005030/publication.txt
observed 38f00b10808d4011524c7247c6630529...
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.