OpenTechnical

OT-2026-000043823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000043823) never changes.

Identity and time

Publication numberOT-2026-000043823 · never reused
Internal UUID01a0ae7b-d677-7c2b-8fda-30a33d5878d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043823
StatusPUBLIC

Content hashes

Canonical textd45a87e43d96a9dd09f39645db71d07fc565cafba8e54c874d94d5b5c5619854
Markdown3bc5b00f25fdace1f0384d7f1c6b71b8bf48ab7b82a7b03240688f930d0a8f3d
PDF
Publication pagebc7bfca3ab54ae8eaa718edba3822db490b51e8931f3a0a401aa52683c0d234e
Manifestb8ffd557bd8d14e83c98ab13f63a1c14ec946e729a3d9a1ad6e1e95d597be30f

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
SignatureuWIRYWVdGQDPwjdH7S8pVgVr7yAPYSctntT0Efj3SMvkN6j7TzfJAKIuLs4y/F3A0/BQHOsHcdUCcZm7sDMlDw==
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

2026-09-17T11:12:08.001362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043823
observed bc7bfca3ab54ae8eaa718edba3822db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.980906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043823/manifest.json
observed b8ffd557bd8d14e83c98ab13f63a1c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.961576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043823/publication.md
observed 3bc5b00f25fdace1f0384d7f1c6b71b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.941802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043823/publication.txt
observed d45a87e43d96a9dd09f39645db71d07f...
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.