OpenTechnical

OT-2026-000024431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000024431) never changes.

Identity and time

Publication numberOT-2026-000024431 · never reused
Internal UUID01a0ae70-e8ca-7010-8b93-f85bd1d03e91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024431
StatusPUBLIC

Content hashes

Canonical textc044c1adcb2efcc608a4d49e84f23aee548c78073ad50b3e1fa533aa496f28fd
Markdown69c9dc222f8c7e77611682a64c5ac7d42fe03e6f16291f6ac6e5996dcd9abc31
PDF
Publication page32efecef90834c618960537835a5dd843e8906ca38db7e97757e977c572baef8
Manifest492c22dcb89c3fb0e1ffa9ade199d98c603b82b8686ecbd9db6893b8c1248277

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
SignatureIScKFxifayLFn2sVo8CS6QJ73DYHetRugs2t7HiiaQlMOsLQGftpnecdsxz0o+eJaUtcexJskRWatb3yX7xtDA==
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

2026-09-17T11:50:19.264309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431
observed 32efecef90834c618960537835a5dd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.245290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431/manifest.json
observed 492c22dcb89c3fb0e1ffa9ade199d98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.223869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431/publication.md
observed 69c9dc222f8c7e77611682a64c5ac7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.202442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431/publication.txt
observed c044c1adcb2efcc608a4d49e84f23aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.203108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431
observed 32efecef90834c618960537835a5dd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.183590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431/manifest.json
observed 492c22dcb89c3fb0e1ffa9ade199d98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.159775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431/publication.md
observed 69c9dc222f8c7e77611682a64c5ac7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.139540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024431/publication.txt
observed c044c1adcb2efcc608a4d49e84f23aee...
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.