OpenTechnical

OT-2026-000027400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000027400) never changes.

Identity and time

Publication numberOT-2026-000027400 · never reused
Internal UUID01a0ae72-6997-728a-939c-dddafe33cf2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027400
StatusPUBLIC

Content hashes

Canonical textd3a1c4ec98fcff26a862b5ff9a089aa74d88d08642a18b25694b959f8366ffc0
Markdown4fb25313841a2b315518dd51515b877bc4f94ac223a72f67d7e853832f6a87f6
PDF
Publication page563adf62402fb08288d83401d4121e8a3918019ffc3fc3ac4aa6c777baa36fca
Manifest8424c28cbdd92dfb060b0f3c7eed2552dd9a82c3cadff8622f3422c5d7f4575f

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
SignatureJP+kKd31VyER+IEFNET5nQVD8gomk19/eYkM0lFGUkbmXOwVJdqE1rWlSQlbmdG+8ZEyJHlhzFGQ520yzJF4Ag==
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

2026-09-17T11:42:49.464232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027400
observed 563adf62402fb08288d83401d4121e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.436980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027400/manifest.json
observed 8424c28cbdd92dfb060b0f3c7eed2552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.419512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027400/publication.md
observed 4fb25313841a2b315518dd51515b877b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.403567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027400/publication.txt
observed d3a1c4ec98fcff26a862b5ff9a089aa7...
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.