OpenTechnical

OT-2026-000068598

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000068598) never changes.

Identity and time

Publication numberOT-2026-000068598 · never reused
Internal UUID01a0ae90-2482-7ebd-84a7-0cab144065b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068598
StatusPUBLIC

Content hashes

Canonical text546540e08ee88fc1b1c02ba03177afb67674879de31dacb20fa95ea53a92ff24
Markdown5710520ce7924455e7ae7198ffa3defb08f7ef3e47e290393d584d4713d9385b
PDF
Publication pagece69344bb33018f803e57a7cb4e833ae6d2df111edae0d1a103f6d1078b2a087
Manifestfbd593d9678b2961e90cfe92130a6613c15211fabda604b8c25f0c51032fcf99

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
SignatureaTiGPNqs6lYhyf2fRz1lY9ETMBpSB0t9JPtXdQlAslKF8DezDx6A88Sb/nMIrmhUs5Se7JxpjDbp2VLNHUgmDA==
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

2026-09-17T10:29:46.694964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068598
observed ce69344bb33018f803e57a7cb4e833ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.678021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068598/manifest.json
observed fbd593d9678b2961e90cfe92130a6613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.588506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068598/publication.md
observed 5710520ce7924455e7ae7198ffa3defb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.555852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068598/publication.txt
observed 546540e08ee88fc1b1c02ba03177afb6...
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.