OpenTechnical

OT-2026-000063142

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000063142) never changes.

Identity and time

Publication numberOT-2026-000063142 · never reused
Internal UUID01a0ae8c-94aa-73dd-8dba-4630626af1ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063142
StatusPUBLIC

Content hashes

Canonical text9b7efff17fe2417af5f24abb6534fcebf75d6e185ca8ab6794a57808dfa6a95f
Markdown6141eecbb9b605d1e62702aca2aac21e22f2a92a86e5d2f08006967a82b9b2a6
PDF
Publication page957d1f788479e6425b1bdc189fa7d7626a023e2c2babe2900982d0dc46472e38
Manifesta3e5fb1a0d9cf8b12a27ccbdcfd47247832479bf5320cf08d648773e85f85ce0

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
SignaturezUaxXLsFgiJLa0n12uuxAYPQIngoCWtK5ll9Lh3ZjyiuGhWE/TcVDOsCU4OkQ9wXTV3AfHLjkmX8UWUK0GMYBQ==
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

2026-09-17T10:38:55.594911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063142
observed 957d1f788479e6425b1bdc189fa7d762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.577119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063142/manifest.json
observed a3e5fb1a0d9cf8b12a27ccbdcfd47247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.558713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063142/publication.md
observed 6141eecbb9b605d1e62702aca2aac21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.542670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063142/publication.txt
observed 9b7efff17fe2417af5f24abb6534fceb...
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.