OpenTechnical

OT-2026-000027041

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027041) never changes.

Identity and time

Publication numberOT-2026-000027041 · never reused
Internal UUID01a0ae72-3453-7984-b685-88507ce4bfe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027041
StatusPUBLIC

Content hashes

Canonical texte37fdb720ab19afa1694d5fec4635bb15c88ef95dc72cbdc61011ab0f1da6c26
Markdown242fbb755db40f4cdf4ed7036bafd1e9a3d217845ece2eca27a44351eb00beec
PDF
Publication pagebf84aebbc3c4c35cdc860a649ea34915d65095bd914d48e3140f4d3bfde29eaf
Manifestefa2c355eaf26a3e253c3b4891e1b07312574b08c00b07ac3015d575e165b03c

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
SignatureHJzGxyOJbNbgzF5KIiAQ0ITI3yQc4cQOGhG7eFpo+1KjMrYc+jtVI1lf3z7ueImWqcgejFx6lYfssaF+I/pZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:47.792899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027041
observed bf84aebbc3c4c35cdc860a649ea34915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.776160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027041/manifest.json
observed efa2c355eaf26a3e253c3b4891e1b073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.758747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027041/publication.md
observed 242fbb755db40f4cdf4ed7036bafd1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.740890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027041/publication.txt
observed e37fdb720ab19afa1694d5fec4635bb1...
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.