OpenTechnical

OT-2026-000026289

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000026289) never changes.

Identity and time

Publication numberOT-2026-000026289 · never reused
Internal UUID01a0ae71-f4a6-7431-b782-641b968ee5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026289
StatusPUBLIC

Content hashes

Canonical text5d9c5f473305219195f24d22b9dcfd5a67cba515e636dbe27e929c42ba9a927b
Markdowncc1f733d754f248b0f72bb0a313ec41b98bd5ac681ce107c7d8ce28d220961f9
PDF
Publication pagef8a15ab1ffd668c3332ba4e047688665aeb1bddeb7890082cb264f7e103b28df
Manifest6c5fcfac6f17de2013ff2cf6920f413661babecd430bcaca7afb7a8c0d144152

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
Signature/1SsbUIhL9mtSKCqEZmohFecrvC35JGClFmdCcBFMEAWWUDohn7MeUEcJlaqzy3FM/IoCw8HD1fkXpNVqGRgBQ==
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

2026-09-17T11:44:14.273618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026289
observed f8a15ab1ffd668c3332ba4e047688665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.258017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026289/manifest.json
observed 6c5fcfac6f17de2013ff2cf6920f4136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.241567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026289/publication.md
observed cc1f733d754f248b0f72bb0a313ec41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.221509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026289/publication.txt
observed 5d9c5f473305219195f24d22b9dcfd5a...
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.