OpenTechnical

OT-2026-000060049

Publication integrity record

Six cup vacuum gripper, six 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-2026-000060049) never changes.

Identity and time

Publication numberOT-2026-000060049 · never reused
Internal UUID01a0ae8a-5a70-7db1-b42c-200446abf4e5 · 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-2026-000060049
StatusPUBLIC

Content hashes

Canonical textdb79a823a73244c75a589b88af8995d3b6f18e72f6bf65a11a647ac136da61b5
Markdown4bc427250843312c0f6cdebd3a267d7fd536f0f56856a795615f3ddf2719db85
PDF
Publication page4db9c86128d0e7bb70d6ead1b0de13fa40f00a8a30afdab56c8d07959ae88288
Manifestd98a03f18f3fb7d86512a0c4abed69277349bb2982998c2552b9cf34604345c5

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
Signaturea7Z0bpHlcEu5xscehVCzKEhpSn0D/M0sPtuj19xtLruQgG21r5kYfGcDmFDqE8F0GgMk1MnJPDxemp5eJO6yBQ==
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

2026-09-17T10:43:40.330591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060049
observed 4db9c86128d0e7bb70d6ead1b0de13fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.311811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060049/manifest.json
observed d98a03f18f3fb7d86512a0c4abed6927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.289896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060049/publication.md
observed 4bc427250843312c0f6cdebd3a267d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.271755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060049/publication.txt
observed db79a823a73244c75a589b88af8995d3...
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.