OpenTechnical

OT-2026-000009433

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, vented 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-2026-000009433) never changes.

Identity and time

Publication numberOT-2026-000009433 · never reused
Internal UUID01a0ae6b-7562-71d8-a890-a4fd7cbd9ffa · 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-2026-000009433
StatusPUBLIC

Content hashes

Canonical text90763401343b7ecd6b73938f1a6b0315f95ccd82c71f6ce28d7307786b00f953
Markdown62a149fed0f5d8fe86aeecaa18847b23a2b8cc397dc807eaaf4867f1bc986816
PDF
Publication page3b4238de4920e9311cc73213d9134eb0711517e6ce652d06ac296fba266f564b
Manifest67312d3670e22c3551a15b35dc6ae7f2c3645d5725fe4079f7e444bcd68b4fbe

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
SignatureHx80vXJ/+wON9Cen0SGanEpPJh5UMH7fUf6WLJgQFd7WYObJtAUUopr6MYtLPbOkyCp80+uWU2wFh6GDpyTqAQ==
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

2026-09-17T12:16:43.413488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009433
observed 3b4238de4920e9311cc73213d9134eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.393138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009433/manifest.json
observed 67312d3670e22c3551a15b35dc6ae7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.373534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009433/publication.md
observed 62a149fed0f5d8fe86aeecaa18847b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.354559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009433/publication.txt
observed 90763401343b7ecd6b73938f1a6b0315...
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.