OpenTechnical

OT-2026-000071195

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000071195) never changes.

Identity and time

Publication numberOT-2026-000071195 · never reused
Internal UUID01a0ae91-e0eb-7c27-a200-5d0bea8b31b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071195
StatusPUBLIC

Content hashes

Canonical text6aae9ee8ad61112f31c8290c9461daf7ef7595b80f89c19541b4afad8583b20e
Markdown25d1e844257f7c003e52495bdbcf91d8cd45737e39078df15fad54b93e4f95f4
PDF
Publication pageb6aae75188c4ce0d59ed7c3550f13fa731f7e1b1f7fb6785721834065d1fce19
Manifest6bfde86e827012f941eefa0df7e7eb6ea25c106f772859d98956329b2826d5fa

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
Signaturet10uSdksPpaE6RMi3t6bmt8UnnJMmzygU7Rh1C6S0/hUFSdswKu7r00uQX3glQXRsc1iS+ZHaTItfhjFEr/sBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:42.896088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071195
observed b6aae75188c4ce0d59ed7c3550f13fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.880146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071195/manifest.json
observed 6bfde86e827012f941eefa0df7e7eb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.861785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071195/publication.md
observed 25d1e844257f7c003e52495bdbcf91d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.843590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071195/publication.txt
observed 6aae9ee8ad61112f31c8290c9461daf7...
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.