OpenTechnical

OT-2026-000076391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000076391) never changes.

Identity and time

Publication numberOT-2026-000076391 · never reused
Internal UUID01a0ae94-6a70-720d-9d29-21e7696a611a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076391
StatusPUBLIC

Content hashes

Canonical text1779b75b173efae30e805c52ce473becdecb8767f5e9432b8b3730f1af7745f3
Markdown0051971271283c4206577e7bb5e14e48c96de24a78a1b05a360642170f7b17eb
PDF
Publication paged9f22fd93200bc800d77bbc71a1f9ff54b88e2059a9b5b57fe489bc8338fadcb
Manifesta2ba9836827fcfafd655ffebc1c189b0ee4f79a258c1d9350dd2e5ff1cfa38c1

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
SignatureTY7c/D6n7pqu3BcqQT8sByLnguTdPxmvLvhkONLHNEZ5TQlMt6qcJK+iar81Yh8qnsQd/2OBOwvHboRljMerDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:17.496596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076391
observed d9f22fd93200bc800d77bbc71a1f9ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.475440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076391/manifest.json
observed a2ba9836827fcfafd655ffebc1c189b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.455072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076391/publication.md
observed 0051971271283c4206577e7bb5e14e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.313943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076391/publication.txt
observed 1779b75b173efae30e805c52ce473bec...
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.