OpenTechnical

OT-2026-000019244

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold 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-2026-000019244) never changes.

Identity and time

Publication numberOT-2026-000019244 · never reused
Internal UUID01a0ae6e-f391-7b7a-8579-295a52bdf662 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019244
StatusPUBLIC

Content hashes

Canonical text986deb2b76f80d0850affb9bbba308fbc89b1793a5700aeeba6f305ca1d4cd99
Markdown4cc71ecdea297e71bc6bfd128defa8ba50ef55310738135f79f57cf5df007263
PDF
Publication pagee54a321c62d4155b6a654652f9ad53a0cd3d134bf26219710a62c004d23a26a2
Manifest006a1349c6e7b8a4ee1df945ee207e8036a377e5c5976dc73995414ea9603696

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
SignatureFipUCUf5mbL3+yaOAz7/NPJtFGXuVMIEcIRFNOXOXN8Fj2LDZJ53WF7toqXahJTE6Clliw1NIB1QelJTgIPqCg==
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

2026-09-17T11:58:34.736007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019244
observed e54a321c62d4155b6a654652f9ad53a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.718068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019244/manifest.json
observed 006a1349c6e7b8a4ee1df945ee207e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.700142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019244/publication.md
observed 4cc71ecdea297e71bc6bfd128defa8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.681845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019244/publication.txt
observed 986deb2b76f80d0850affb9bbba308fb...
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.