OpenTechnical

OT-2026-000009601

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000009601) never changes.

Identity and time

Publication numberOT-2026-000009601 · never reused
Internal UUID01a0ae6b-7563-7e2f-8958-8ff82412ead4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009601
StatusPUBLIC

Content hashes

Canonical text52260f7c9b653d33662aeb1ad4be138290727ac2550acf9b62c83b0d1478f083
Markdown3b5e8deb95886c298726042e5eb7b3490ab704883194d307ce0bcf30d0fba2b2
PDF
Publication page8c42441a1ff76db9511628d52c411e1b4fbfee6cd3a8c5bb3acf093837f81f50
Manifestf74981c927a04336b0b9ebf310781387f44910a97a98966030f4499e983adbed

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
SignaturedFvZLSWwK32pXKKlO9Qjt23X+Uwz+LQmAHFqlb4WyM49EJBzAi/5Sq+oZOO8/wlyXNfiXVi+VlvtigvzKnlJBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:02.917998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009601
observed 8c42441a1ff76db9511628d52c411e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.899386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009601/manifest.json
observed f74981c927a04336b0b9ebf310781387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.880002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009601/publication.md
observed 3b5e8deb95886c298726042e5eb7b349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.861484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009601/publication.txt
observed 52260f7c9b653d33662aeb1ad4be1382...
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.