OpenTechnical

OT-2026-000005513

Publication integrity record

Porous face vacuum gripper, six outlet manifold, two 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-2026-000005513) never changes.

Identity and time

Publication numberOT-2026-000005513 · never reused
Internal UUID01a0a93b-8684-7cfe-ad38-e0bb57df63f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:45.703027Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005513
StatusPUBLIC

Content hashes

Canonical texte84a067faabd705d399d9ec95c39a2f13a4e455b863f921c9c7f9fa29b94f632
Markdowna82d744c4ed1a180e0d743a36a4cd7dde392fc5d275fd0973a3c3cefe62c5329
PDF
Publication page6664e6c3b76d9cfe7240e96766291c6a9bf8a121d9b8df1b8e67abf33ed742cd
Manifest06c03f69db157865c5ae6563ffe0d48428167988552700231751666033f8fc0a

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
Signature5er9+x2huQDZjjL3hrB3U3jbCh669FodKJhHhGf2S1pxL6Lham8vPsWT4VaArQRKT59BcVOGN5RT/gZ3XlYADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:31.889214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005513
observed 6664e6c3b76d9cfe7240e96766291c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.874406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005513/manifest.json
observed 06c03f69db157865c5ae6563ffe0d484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.732598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005513/publication.md
observed a82d744c4ed1a180e0d743a36a4cd7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.719108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005513/publication.txt
observed e84a067faabd705d399d9ec95c39a2f1...
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.