OpenTechnical

OT-2026-000006527

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, pulsed blow off after 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-2026-000006527) never changes.

Identity and time

Publication numberOT-2026-000006527 · never reused
Internal UUID01a0a95e-52bf-77d5-8a71-0f19d0574e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:46.210315Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006527
StatusPUBLIC

Content hashes

Canonical textb4597e0d672c746e8dac8f4a70ae42f92a37eda910876917c0e712e614606926
Markdown8e67184b869634fa20de674a488cd6d40314a8e58e068c95769ff691fa3f703a
PDF
Publication pagec82bcaa278812198212cdadd1ebcb5fb2c7b52b25bd629be02a7d042d3cf4fea
Manifest7c15561b0e052e87140538effa23b50367062e50f1fcf8379b48f649db2f09fe

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
SignatureMV2aY5iZw73OcMladlIWoyRxCUh38yWl/b1KOhiOn0NY5vjyCPo4NUM9+3Ce8LqotFDhkmlmKWiXv/XC/LI3BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:06.951911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006527
observed c82bcaa278812198212cdadd1ebcb5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.930426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006527/manifest.json
observed 7c15561b0e052e87140538effa23b503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.912877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006527/publication.md
observed 8e67184b869634fa20de674a488cd6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.899730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006527/publication.txt
observed b4597e0d672c746e8dac8f4a70ae42f9...
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.