OpenTechnical

OT-2026-000006258

Publication integrity record

Vacuum cup gripper, two stage ejector, vented after set down, silicone cups, flat 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-2026-000006258) never changes.

Identity and time

Publication numberOT-2026-000006258 · never reused
Internal UUID01a0a954-aad2-7e4b-872d-2a133e2f3593 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:13.397146Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006258
StatusPUBLIC

Content hashes

Canonical text0c8d6162c9df953aa9d050ccfcb565b96130155551e1028aee9c4c601897c2a7
Markdown6bdaee27d86b452d46c5fb0dc8697be10054482d4d8e785751e9068ea42d22bf
PDF
Publication pageae5ff7a00c0fd505ef76a95f559c1045842acd23a40fd4c5ae7ccc4d5e1d8d13
Manifest0eaa85c0771f865809ace46680e760e85b1beec45175a9802120cbab56b81767

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
SignatureznRSuv8RiCxJ55kEsHl5o8mImw4FS1qHd5QXrBfz9qYgW8vLHtxxhvkGE0Jc/P4gaj/7sHSYuVlX5xs+PyWABw==
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

2026-09-16T08:30:08.968544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006258
observed ae5ff7a00c0fd505ef76a95f559c1045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:08.952969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006258/manifest.json
observed 0eaa85c0771f865809ace46680e760e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:08.939772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006258/publication.md
observed 6bdaee27d86b452d46c5fb0dc8697be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:08.926668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006258/publication.txt
observed 0c8d6162c9df953aa9d050ccfcb565b9...
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.