OpenTechnical

OT-2026-000060817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000060817) never changes.

Identity and time

Publication numberOT-2026-000060817 · never reused
Internal UUID01a0ae8a-b7d1-7046-8879-e3a99f1c119d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060817
StatusPUBLIC

Content hashes

Canonical text8e5776c5602fe9c6952d6d84f849076a01e37e75a877af6b2f91a804e024fb09
Markdown351ea9d25f683b46adc24a0e3ca11a761f2efc53a93a83b99e7b3dcd87636c54
PDF
Publication page46f638cd75c0fd566adc263222da605521067e8e542d12b0b8873c0b69caff09
Manifest29ea9a3a012fd8be8e638cf7ec49e620e24614b7eed160f27658a29b1eeb395c

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
SignatureJRJ+E8n8dqe2g6WCB8T3WrxsojiRVjYB3OiBIczeT/FkAAdlWEtcd5QqinUycAj+ml0REfkaQuO4O5B9pFZ2AA==
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

2026-09-17T10:43:34.091229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060817
observed 46f638cd75c0fd566adc263222da6055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.074481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060817/manifest.json
observed 29ea9a3a012fd8be8e638cf7ec49e620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.058741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060817/publication.md
observed 351ea9d25f683b46adc24a0e3ca11a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.041409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060817/publication.txt
observed 8e5776c5602fe9c6952d6d84f849076a...
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.