OpenTechnical

OT-2026-000024447

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-2026-000024447) never changes.

Identity and time

Publication numberOT-2026-000024447 · never reused
Internal UUID01a0ae70-e8ca-74f9-bbd6-db2f450efa21 · 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-2026-000024447
StatusPUBLIC

Content hashes

Canonical text56703ef1fa6cb29a674663612801104d677ec77394bf54c701e341625f2088b2
Markdown83701cc464483aa6bf01b6976ae17ba23b9d2ae9cde2501e93408fc4cd8e791e
PDF
Publication pagec15c8dde9db1c20d34f70ee4a1970030ee3d636409377307d30d80813681dc20
Manifestab93f77ee23bd4420bf5d11bf04144ffecb1f5263eda35553bd4ff3ac94328d6

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
Signature1mxe1p9+x4TvSxUXf+eoVe8XyMt/3ZTrxnxoPHnC8jjsDIDmKOYncZvqq9xYdB+jegoJ3xhKmNwq5c/T1bIRDA==
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

2026-09-17T11:50:20.650151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447
observed c15c8dde9db1c20d34f70ee4a1970030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.623603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447/manifest.json
observed ab93f77ee23bd4420bf5d11bf04144ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.606359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447/publication.md
observed 83701cc464483aa6bf01b6976ae17ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.588376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447/publication.txt
observed 56703ef1fa6cb29a674663612801104d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:35.524987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447
observed c15c8dde9db1c20d34f70ee4a1970030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:35.506484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447/manifest.json
observed ab93f77ee23bd4420bf5d11bf04144ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:35.483650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447/publication.md
observed 83701cc464483aa6bf01b6976ae17ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:35.461463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024447/publication.txt
observed 56703ef1fa6cb29a674663612801104d...
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.