OpenTechnical

OT-2026-000003837

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, pressure verified at each zone

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-2026-000003837) never changes.

Identity and time

Publication numberOT-2026-000003837 · never reused
Internal UUID01a0a90b-351b-7d3c-ab24-bcc6e15a0b44 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:59.135528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003837
StatusPUBLIC

Content hashes

Canonical textbc7cf9b809f2da54bc9bed5d0d8c17caf5f96a6eaa8c84bca7a55e67d8686c66
Markdown1f1b53f0b99ed53dffbb5e114bedd1187504605eec31959a6f63dd3b06dee882
PDF
Publication page44b15096efef4701dc0cd3cde3e68fc5430f82649f993310ac7e911b6c886d26
Manifestde1aefddc13d9e5a0c1e64970bb221a4429000ebd6eae31e3d7d5df05a1f2df5

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
Signatureq//epq6bbcbGwYuaOYLdGOI5K16kQc32fNz5xI6Zk/YPi4UcV0cMYsPM1AWHA0VENz/vDgUFYGIL3Coa6UL8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:17.383968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003837
observed 44b15096efef4701dc0cd3cde3e68fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.371606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003837/manifest.json
observed de1aefddc13d9e5a0c1e64970bb221a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.358996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003837/publication.md
observed 1f1b53f0b99ed53dffbb5e114bedd118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.345296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003837/publication.txt
observed bc7cf9b809f2da54bc9bed5d0d8c17ca...
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.