OpenTechnical

OT-2026-000023834

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, sustained 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-2026-000023834) never changes.

Identity and time

Publication numberOT-2026-000023834 · never reused
Internal UUID01a0ae70-aed5-786d-b068-a897c29da71c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023834
StatusPUBLIC

Content hashes

Canonical textb9bd39f2458963323d0d44bf86a3fe92c9fbb8ae3b55f46b818b09a98d56c84e
Markdowne394cc69302a05659f582b0b94c69fa4396b1d741b3dc0043c48f89db136ddfa
PDF
Publication page2cb8f63b59a39dcfa518a1d2f3f17e2f2915eb0709c5786fba467a1e5c9f498e
Manifest97950c5c96b8ae45f357a9634d61c66200e67d6eea56c1528b5b8d1bb6753d3e

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
SignaturepbAQpAlL2RBlrHF5WN7mKmtQ8NbPHgExM9pJf6D7t5+Ots50FSi3r6Q5zDy5/h5kEhhNyUQvTPbfErroYaxuCQ==
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

2026-09-17T11:50:19.446070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023834
observed 2cb8f63b59a39dcfa518a1d2f3f17e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.429090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023834/manifest.json
observed 97950c5c96b8ae45f357a9634d61c662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.411509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023834/publication.md
observed e394cc69302a05659f582b0b94c69fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.389522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023834/publication.txt
observed b9bd39f2458963323d0d44bf86a3fe92...
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.