OpenTechnical

OT-2026-000051181

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000051181) never changes.

Identity and time

Publication numberOT-2026-000051181 · never reused
Internal UUID01a0ae83-273f-7533-b058-b570359d6d86 · 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-2026-000051181
StatusPUBLIC

Content hashes

Canonical text4a324956b92f728e41dacbea3e3a083ded6d9f89b664899e3110f5c2eeacbf76
Markdownc7409b146313f1976d3e3371339a2527e2788449e07d038d481c31e792238364
PDF
Publication paged51bb7f974abc5c5aec0bc633a88490acabbd24b303d08f6c678bc630db84418
Manifestcfae65c2ea457b5864df74153261b2c69cbe3522265ce3773ca702777cddf040

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
SignatureJec01KQulAmprMejWWL3dGqxhfiHHARu3cOaVkU4sOVMaJIC33U8ba/KxsddLlVKCAgk4mIEX3XoRY7z6L0dDg==
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

2026-09-17T10:58:57.360120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051181
observed d51bb7f974abc5c5aec0bc633a88490a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.342067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051181/manifest.json
observed cfae65c2ea457b5864df74153261b2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.324119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051181/publication.md
observed c7409b146313f1976d3e3371339a2527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.306602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051181/publication.txt
observed 4a324956b92f728e41dacbea3e3a083d...
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.