OpenTechnical

OT-2026-000033793

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000033793) never changes.

Identity and time

Publication numberOT-2026-000033793 · never reused
Internal UUID01a0ae75-a391-7df0-8535-a89f38f9cff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033793
StatusPUBLIC

Content hashes

Canonical text2bdd5bb8669b13aa7d9c382cc05fd91c792ce90a8a1c19400208c39226d87b64
Markdown25b05cff59a9d8d68a288b2ebe446fe4267cbac6320b66f3c3a4d1230a447844
PDF
Publication page8ddcf255d3aae879a9bfe75b6b86005f3fe30eaa60bbbcb940ff76e7e6a0f11f
Manifest8ca070b8fcebce4acbe545b5ae1142bd640b65a041cbd1586b559f59225ea04b

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
Signature71UBm9w4qncjkkyXeXpfUC4MJkhDFKYk66+6eXCfrAUxthxmrx2U6RYGeu3kh5fx0FcMG3IDnBUUefxnBcB0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:50.071895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033793
observed 8ddcf255d3aae879a9bfe75b6b86005f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.050964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033793/manifest.json
observed 8ca070b8fcebce4acbe545b5ae1142bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.033646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033793/publication.md
observed 25b05cff59a9d8d68a288b2ebe446fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.014906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033793/publication.txt
observed 2bdd5bb8669b13aa7d9c382cc05fd91c...
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.