OpenTechnical

OT-2026-000051205

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented before set-down, on a tool changer

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-2026-000051205) never changes.

Identity and time

Publication numberOT-2026-000051205 · never reused
Internal UUID01a0ae83-273f-7916-b001-f30140f9077b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051205
StatusPUBLIC

Content hashes

Canonical text661599c1b45328d4eb34d6df0d03052f7baba32602283e11488a1d0969d996ef
Markdown9b97da282d4cbd53ae0f6bbbd2a98c35f4db31073a41c38c69dfa29984a444c2
PDF
Publication page2b9eee98acab5dc46736d005cf34382f7a17b283bd486a7902c97f543c582e3c
Manifest852f8da3302faf8436da005eb8b1014e88fd1b83213ff9e7cdb2eee0d5cd4ae7

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
Signature8mFFh5HTlKEHLpEtWZcCmOKUrJzZePWOE3Nd+9nCKzOFzfOwFyTknku8PZo7Rlhj1/S8TAk2cSpouCFAJFUaBA==
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

2026-09-17T10:58:59.244345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051205
observed 2b9eee98acab5dc46736d005cf34382f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.221923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051205/manifest.json
observed 852f8da3302faf8436da005eb8b1014e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.203417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051205/publication.md
observed 9b97da282d4cbd53ae0f6bbbd2a98c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.184757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051205/publication.txt
observed 661599c1b45328d4eb34d6df0d03052f...
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.