OpenTechnical

OT-2026-000061657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after set-down

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-2026-000061657) never changes.

Identity and time

Publication numberOT-2026-000061657 · never reused
Internal UUID01a0ae8b-b8aa-7ea0-b0d8-2e2e8d9a6e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061657
StatusPUBLIC

Content hashes

Canonical text56b541707491a303e59a6404cc1057c81da144ad7b8cfea9419063f1f8f732b4
Markdowndcd6246e8a9a8289ee8209013822dd828eb5ea4963d932977c8532bbe7e67372
PDF
Publication page4e29d3c086c98bfbe97d4ba621c7c1aceef5f97265895cd2576a6dbce60406e8
Manifest6cfda61d1cea5c8e74a7acf05ed7ab05b5895f086f79bc454a545c0dc00818d4

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
SignatureCALPqM1ySg0YcymLzPqHr0Td/RJvr4OZc6xV+mDPOkY7CG5/5Gb09emiWOcwXLJUjxK146Ex7Uy7MYaqDb7uBg==
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

2026-09-17T10:40:12.169784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061657
observed 4e29d3c086c98bfbe97d4ba621c7c1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.146865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061657/manifest.json
observed 6cfda61d1cea5c8e74a7acf05ed7ab05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.123884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061657/publication.md
observed dcd6246e8a9a8289ee8209013822dd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.098985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061657/publication.txt
observed 56b541707491a303e59a6404cc1057c8...
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.