OpenTechnical

OT-2026-000007256

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, contact triggered, rubber cups, flat 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-2026-000007256) never changes.

Identity and time

Publication numberOT-2026-000007256 · never reused
Internal UUID01a0a978-485f-79f2-8618-f8cb8f6ec8fc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:07.493227Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007256
StatusPUBLIC

Content hashes

Canonical text8317a1f5c0932bd7c00efa3d16415fad30ba1f52c45db535d76d677ed00478dc
Markdown2c17043c3a5ea30dadc319a139ecbce34241d408ae8abf8340c1b5931df47a26
PDF
Publication page05c62cfbd2dc5d8f3b953d54d346837e5c0f0d3c7ac5b6ff0638e5f1471961d3
Manifest75ba3679ffec7fd9996702df2359cb638a39bc4a5af59f094352721234194827

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
SignatureGCKm1CjAyjQ420vk/Nkh68FqhVZcRBSztEalUFd9EQblK05r3QQNSwVhGf0Ay7ClEHd9EV+KAhpez03c4OhXDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T16:41:44.779380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256
observed 05c62cfbd2dc5d8f3b953d54d346837e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:44.640767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256/manifest.json
observed 75ba3679ffec7fd9996702df2359cb63...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:44.512058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256/publication.md
observed 2c17043c3a5ea30dadc319a139ecbce3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:44.357744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256/publication.txt
observed 8317a1f5c0932bd7c00efa3d16415fad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.928331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256
observed 05c62cfbd2dc5d8f3b953d54d346837e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.915681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256/manifest.json
observed 75ba3679ffec7fd9996702df2359cb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.902630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256/publication.md
observed 2c17043c3a5ea30dadc319a139ecbce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.888994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007256/publication.txt
observed 8317a1f5c0932bd7c00efa3d16415fad...
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.