OpenTechnical

OT-2026-000050695

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000050695) never changes.

Identity and time

Publication numberOT-2026-000050695 · never reused
Internal UUID01a0ae82-c7b0-743d-996a-b3e4627c658d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050695
StatusPUBLIC

Content hashes

Canonical text04c998039f8f0dd0daf4b9dfc630a40bcb9db3cc76d213f66f60ec0972734eb4
Markdownd8a59fe758c1c9001c15c0b8e9cb59a5da4e2dbfbad83519994af4e83c3c74dd
PDF
Publication pagee20424deeb002dcaf9496438ef679bd11b37868ba173989d2ca6868e3774525d
Manifestdbceea140f000cfb10b11cdf3f02d1886281594597df3b93d7cd70681b5c2283

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
SignatureVnU4zkiSibuMFlmcjmJN6NPlCfKvXhaINCS+cFwPwbQdon7WoW1w8BDbqsJwWWK1NGGtu3CC2I2pfRV/IsTGBQ==
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

2026-09-17T10:59:24.511422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050695
observed e20424deeb002dcaf9496438ef679bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.493656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050695/manifest.json
observed dbceea140f000cfb10b11cdf3f02d188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.474345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050695/publication.md
observed d8a59fe758c1c9001c15c0b8e9cb59a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.455346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050695/publication.txt
observed 04c998039f8f0dd0daf4b9dfc630a40b...
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.