OpenTechnical

OT-2026-000019805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019805) never changes.

Identity and time

Publication numberOT-2026-000019805 · never reused
Internal UUID01a0ae6f-1fb5-7d3c-891a-d7e587886417 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019805
StatusPUBLIC

Content hashes

Canonical text64d9078b4e20789c1991da4655bd28bf98edd46582adfd8d234aa01e62a62c1d
Markdown781d9b1ce61adc241c38f6a7175100bf59fddf4e9ffecf9db48c0eef26fbc4bb
PDF
Publication pagedb5063af7871bb095f813fb5e0babe3c607af5f83d4d58ec7fc875bc2262d7ef
Manifest23736ec51bf4899c30854c1350787cb93b99718dece86ca6264836f6b76b88e9

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
SignatureqbQoIxJpwixlh6pkEe0IX5QrtywCJoLcTyoE3O/mkkXeQukR8IQNFBxw7NSNUOX9Hz3p0Kw57MkeunO91XHuDw==
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

2026-09-17T11:57:59.409102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019805
observed db5063af7871bb095f813fb5e0babe3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.392495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019805/manifest.json
observed 23736ec51bf4899c30854c1350787cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.374258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019805/publication.md
observed 781d9b1ce61adc241c38f6a7175100bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.355657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019805/publication.txt
observed 64d9078b4e20789c1991da4655bd28bf...
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.