OpenTechnical

OT-2026-000041547

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000041547) never changes.

Identity and time

Publication numberOT-2026-000041547 · never reused
Internal UUID01a0ae79-e89f-791a-9fbc-7baa7924c823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041547
StatusPUBLIC

Content hashes

Canonical textedbfb5a3ef778a439e4d60b31259ae483c91e5b09a03af6eb9c05e318d2da6fb
Markdown9db582cced603d372c836829dbe15ac32616057ce5feb044e7e83f8a1ecc31b6
PDF
Publication page524183d680d7bdc7c8deddfca7bc4cbdd68f6d91f41aa0be4da51cbb334ae407
Manifestf64c6465f4d690b7bf9225b0d45d11359244fa9c5ac6d668bf1ef14e610072e2

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
SignatureJum1Wb7t7eu4mcAkoekzgyRHw+lml/eW37iCOMtaYaa98U7LCP3R/3dmoBK8f60ClTpaubAcMq/ZFKXbS/MWCA==
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

2026-09-17T11:16:19.401665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041547
observed 524183d680d7bdc7c8deddfca7bc4cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.385196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041547/manifest.json
observed f64c6465f4d690b7bf9225b0d45d1135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.365844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041547/publication.md
observed 9db582cced603d372c836829dbe15ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.347498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041547/publication.txt
observed edbfb5a3ef778a439e4d60b31259ae48...
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.