OpenTechnical

OT-2026-000077726

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000077726) never changes.

Identity and time

Publication numberOT-2026-000077726 · never reused
Internal UUID01a0ae95-2ecf-7e4e-99f2-dc4238b39ed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077726
StatusPUBLIC

Content hashes

Canonical text8b9285a21dbf20f16645195c9ab2d4851d31439a8e530f808b1551d812e30903
Markdownddc789e6fb4820f67dbd1911d50a68d1574ff9f8e2f41c23ac870c2163aacfbb
PDF
Publication page6ed1e26ea4e740bca485d3b7eeda72fa35d200aa53e2f244e4bb1324af0dfbe4
Manifest00b27c91bb27a2af459dc37436539afde8edbc2f828be6cd0257008b847f9fdd

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
SignaturexzFtiLgjZVNpyeyJASpoFu25kAneRNW7umr/RQVQNv8/Qvk8YGf2QMIfIFf067STC0VSbh/4eT++yOD/HJfOCQ==
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

2026-09-17T10:07:18.224882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077726
observed 6ed1e26ea4e740bca485d3b7eeda72fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.206197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077726/manifest.json
observed 00b27c91bb27a2af459dc37436539afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.187731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077726/publication.md
observed ddc789e6fb4820f67dbd1911d50a68d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.168362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077726/publication.txt
observed 8b9285a21dbf20f16645195c9ab2d485...
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.