OpenTechnical

OT-2026-000068152

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000068152) never changes.

Identity and time

Publication numberOT-2026-000068152 · never reused
Internal UUID01a0ae8f-c4ff-7316-b9ac-43b62214a374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068152
StatusPUBLIC

Content hashes

Canonical text87b6bdb27c9517902702df78eb2df61f80262c21c2721e26350935a359b7f172
Markdownc1b4f39a4802135906621c02ab77338de9b6ba3775a1510eb34f834d5e787773
PDF
Publication page0f9f2fbc1e9e8ac44c816b08eb891fd705ef8d260de8aaa99998e55bb7ad96c9
Manifest6a0e180b2ca30ae1a5fb9d51c2a36c646d5b2ca55842cd7c2f589802795bf7a2

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
SignaturedB5H7H10PCfbdSc1bNfq+FW6lMbIw/bqZR2bPLQpz1fKYNHPlkApYtLkOsUXiFVDX3+HQYpXGkHS+J0YoJ8SDQ==
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

2026-09-17T10:30:48.166565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068152
observed 0f9f2fbc1e9e8ac44c816b08eb891fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.150169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068152/manifest.json
observed 6a0e180b2ca30ae1a5fb9d51c2a36c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.131920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068152/publication.md
observed c1b4f39a4802135906621c02ab77338d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.114603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068152/publication.txt
observed 87b6bdb27c9517902702df78eb2df61f...
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.