OpenTechnical

OT-2026-000031705

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000031705) never changes.

Identity and time

Publication numberOT-2026-000031705 · never reused
Internal UUID01a0ae74-bad0-7831-8694-8dd34dbe5d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031705
StatusPUBLIC

Content hashes

Canonical text5ce462be1d3bc56b176095fb236a04f7a56879d1f605d81888768025d7369bbd
Markdown7dccd646f9d8e0758aa4e832f5ab76fcd86dbaa03883c14e8f83e5128be5303a
PDF
Publication page7bea4866c191723697ec202408893e4992957b82fccf9d92a91c6a56a3f19b54
Manifest3404fe6c3e25f404562ed62c5ebd5b3d3523b15e7b2874ab008fdbb928f30c3c

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
SignatureXcmyg7cVpimr6FpG/qrpt3qTUVFVa9uxLdYvsh+usCTwxeKK2lpiLic0JUeDG1/Bk/IN21hDuzKVcqARa1XJDQ==
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

2026-09-17T11:34:48.794286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031705
observed 7bea4866c191723697ec202408893e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.776112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031705/manifest.json
observed 3404fe6c3e25f404562ed62c5ebd5b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.758085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031705/publication.md
observed 7dccd646f9d8e0758aa4e832f5ab76fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.739948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031705/publication.txt
observed 5ce462be1d3bc56b176095fb236a04f7...
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.