OpenTechnical

OT-2026-000061258

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented after 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-2026-000061258) never changes.

Identity and time

Publication numberOT-2026-000061258 · never reused
Internal UUID01a0ae8b-1382-70ca-b3f2-7d4138d0988f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061258
StatusPUBLIC

Content hashes

Canonical text045dbcb1315ca40e261e14194024842cc124448afb06ad3c94bff40f25d5c20d
Markdown0e056bec79c589db22e31be7a10dc5c01bd21be4fdee55b163d8165afe5cf361
PDF
Publication pagece1c5b850a44435cebce46ca7ddd428f8aeecfa0f1276e166bd922e3b476e692
Manifestd0875bd415642be33d1957dbab1ba0232678613913670a532a4c63aaa196eeef

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
SignaturerJEbUPOHhKNepNuLh5l5cp7BW87BY1x/L/s6f7Ffe8p8L+DGwIZLWxiXLypV3RkWkX/iifxYp4tAaF0bBy79Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:40.532550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061258
observed ce1c5b850a44435cebce46ca7ddd428f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.512447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061258/manifest.json
observed d0875bd415642be33d1957dbab1ba023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.493087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061258/publication.md
observed 0e056bec79c589db22e31be7a10dc5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.474666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061258/publication.txt
observed 045dbcb1315ca40e261e14194024842c...
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.