OpenTechnical

OT-2026-000050501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000050501) never changes.

Identity and time

Publication numberOT-2026-000050501 · never reused
Internal UUID01a0ae82-5c49-7273-91e9-0461e9011122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050501
StatusPUBLIC

Content hashes

Canonical texta63ce2836823b2c68d688d793a156a2e2b864db143b2fa1e9359bfa41245fe86
Markdown1e0505e221b0f0caafb5a35bbf489f42bc938033a216b281dfcfba6fc55a7692
PDF
Publication pagedd53691526318924e950505da45a701cb3bef8b21acb775076ac805d3f2d303c
Manifestc7aa9be8ff8d409d4c239accb3756ff6cc980f2c267dd8eea415ce9cfd61f5ad

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
SignatureHMmAX6Ruo5n+OajjsZLjZSdEv9NDxAMb/tdCXBOIR0abXa0pZpIy+lz9nf6ilTav1o8I8+u8WUD2urf6epGPCQ==
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

2026-09-17T11:01:33.508845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050501
observed dd53691526318924e950505da45a701c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.492983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050501/manifest.json
observed c7aa9be8ff8d409d4c239accb3756ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.476809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050501/publication.md
observed 1e0505e221b0f0caafb5a35bbf489f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.460215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050501/publication.txt
observed a63ce2836823b2c68d688d793a156a2e...
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.