OpenTechnical

OT-2026-000006507

Publication integrity record

Vacuum cup gripper, plant vacuum fed, vented after set down, silicone cups, oval form

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-2026-000006507) never changes.

Identity and time

Publication numberOT-2026-000006507 · never reused
Internal UUID01a0a95d-a21f-750d-85e2-6e2cb61977d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:00.994710Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006507
StatusPUBLIC

Content hashes

Canonical textb39f47d3ac73a0ca78457fbc816f899a404756fa7e2d3f2dd5187b0a90ae55c6
Markdown00e1bedbbc41536ade3330c0e1c680047fff5bfc472dfe5ee2798e2e8a66f2dd
PDF
Publication pageaa1d48d42ddb5610875c421bca33d18ad151364181de01ddd96ff1176320d70d
Manifest6c36f721520dfd1c7c4512ead96bba98558f80360ec6867c3e24b947bc80986a

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
SignatureINm53+ptkAKyMlRzuHYP2Cp5y+Amp0J4HukCG6fFYD2iVmpUKc6siez6/qS2/sJt6FYqFMR/2MHeYpnXzCvGBg==
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

2026-09-16T08:40:09.495155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006507
observed aa1d48d42ddb5610875c421bca33d18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.480943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006507/manifest.json
observed 6c36f721520dfd1c7c4512ead96bba98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.465261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006507/publication.md
observed 00e1bedbbc41536ade3330c0e1c68004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.449556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006507/publication.txt
observed b39f47d3ac73a0ca78457fbc816f899a...
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.