OpenTechnical

OT-2026-000006839

Publication integrity record

Vacuum cup gripper, ejector fed, vented after set down, silicone cups, oval 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-2026-000006839) never changes.

Identity and time

Publication numberOT-2026-000006839 · never reused
Internal UUID01a0a969-3a9d-768d-b4dc-381079df24b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:40.928160Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006839
StatusPUBLIC

Content hashes

Canonical text3a3677607f73308ee3372f497008edaa9c9e21f7b34ad8064e28b294233afa53
Markdown3ec6ec187c66c37f8b334cc15ac1d638b0fc2f66db0b95d7193bef172418df6c
PDF
Publication pageb76159c108bdc1c60f14c6524522c6a34f8d40e9f27910791a5705b97b1022c5
Manifesteb227d40fad590120c6a4ee6e34ba072678f7234a2dd9bea9315d84d61a40fae

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
SignatureeaTwIHLq+uGYxFC3obpVtSinrbW9GQW7kxizcpL0TBrZQb7OGuFeSg7NnB2nO/WUg0fUsmET8tsVxqQ+xEeaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:30.453544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006839
observed b76159c108bdc1c60f14c6524522c6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.440401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006839/manifest.json
observed eb227d40fad590120c6a4ee6e34ba072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.427047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006839/publication.md
observed 3ec6ec187c66c37f8b334cc15ac1d638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.414234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006839/publication.txt
observed 3a3677607f73308ee3372f497008edaa...
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.