OpenTechnical

OT-2026-000044779

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000044779) never changes.

Identity and time

Publication numberOT-2026-000044779 · never reused
Internal UUID01a0ae7c-911b-7a14-bc41-fa4aa581f554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044779
StatusPUBLIC

Content hashes

Canonical text964abc1404bbf241d4fa64cfff81cd1099356c82ba30d34199738deee29801a8
Markdown290985a3f63490b4629c9616b91d7a92ddac95254f03256d513c9a1f33db89d0
PDF
Publication page8391c3ea2af35b8f17e1e4f29e0327af6ee95fffc1d6fc37a7d9c901bb0864c5
Manifest643fdf6fcca2919a174fa69be37d285d755a699141ce2966d2ea4b542f11438b

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
Signature4lq5AzYzg/7DY8sX/ipJfwmbJ8d2U5XJjFl/gKr6/S2it7c9+OLkd0sFUlGrDctY9e7uUyyEuuDX2+iPyhGRBA==
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

2026-09-17T20:43:35.703789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779
observed 8391c3ea2af35b8f17e1e4f29e0327af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:35.573563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779/manifest.json
observed 643fdf6fcca2919a174fa69be37d285d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:35.426968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779/publication.md
observed 290985a3f63490b4629c9616b91d7a92...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:35.191399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779/publication.txt
observed 964abc1404bbf241d4fa64cfff81cd10...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.234824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779
observed 8391c3ea2af35b8f17e1e4f29e0327af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.215684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779/manifest.json
observed 643fdf6fcca2919a174fa69be37d285d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.197137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779/publication.md
observed 290985a3f63490b4629c9616b91d7a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.178534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044779/publication.txt
observed 964abc1404bbf241d4fa64cfff81cd10...
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.