OpenTechnical

OT-2026-000060334

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000060334) never changes.

Identity and time

Publication numberOT-2026-000060334 · never reused
Internal UUID01a0ae8a-5a75-76bd-919d-fd5fb15f17f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060334
StatusPUBLIC

Content hashes

Canonical text1c18211713b9ed7976e41f8d29dd5f35df781b1fb3c8a8fa7979299b52bd71f7
Markdown70203b9bb5a2a23ce42da58e77177389b7ed5ffe105e93e3041557e9017f7392
PDF
Publication page9a91e2fecce0a937ba7eb3e494f71413f76f1ca5510d1aaa3709c82f679de5a5
Manifest64a24790f5917e853b193d5adbc34ad83bd7b92bea33b02e11f96eddb62b492b

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
Signaturej/GUZfKRANjWJhnIPfRmTNpC4cxv74KZheai6v5UJhxKyJ1yMeCD6L4/XIbOmuWw48w8VkUZDVndRABY1e2IAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:38.210303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060334
observed 9a91e2fecce0a937ba7eb3e494f71413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.191821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060334/manifest.json
observed 64a24790f5917e853b193d5adbc34ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.174942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060334/publication.md
observed 70203b9bb5a2a23ce42da58e77177389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.157840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060334/publication.txt
observed 1c18211713b9ed7976e41f8d29dd5f35...
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.