OpenTechnical

OT-2026-000009812

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000009812) never changes.

Identity and time

Publication numberOT-2026-000009812 · never reused
Internal UUID01a0ae6b-7565-7ace-9623-060f760ed32e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009812
StatusPUBLIC

Content hashes

Canonical text0b7bb5898d71895cb65181ca13a07041bc2f01a6a0dfbe5f9a6aee6e5d1b69b2
Markdown66bf4dabad89a48f6013d3eb8a08de0b566be775e2c07169410665ad07035f4e
PDF
Publication page10f99e4447b536a8f69da7ed7ee905c744dc649bec7f1a344fb60fd197752bac
Manifest704b19a4af4019bee038a75bfa739bb5a26aaae46f0593917ca1c6dbbac365f4

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
SignatureDUH1xWQ7ZNqsEfX5aI281n7Ub8yLxlfGim05l1OEoFAwM7jK8kuO/nvwn0ChMpUEbOBVDb5sw0pNinlulpXeCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:33.649757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009812
observed 10f99e4447b536a8f69da7ed7ee905c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:33.630115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009812/manifest.json
observed 704b19a4af4019bee038a75bfa739bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:33.608038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009812/publication.md
observed 66bf4dabad89a48f6013d3eb8a08de0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:33.585809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009812/publication.txt
observed 0b7bb5898d71895cb65181ca13a07041...
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.