OpenTechnical

OT-2026-000034355

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line 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-2026-000034355) never changes.

Identity and time

Publication numberOT-2026-000034355 · never reused
Internal UUID01a0ae75-df0e-732b-86c4-9c1d2da3c3fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034355
StatusPUBLIC

Content hashes

Canonical text4534fb3411476783e3174b5dbe54fc4359023370c7b659388fd13640dc07e855
Markdown1f1c60d8f4ac6b4cde3b70f6a5456a1023d7af8e1b333df276c90881521a3379
PDF
Publication page65c314d31d09707dc3826026fdad2ac7104ad679498dfee4d150e3f5abf368ce
Manifestd5f3144236ec400641c3e5dc41a2a5567b006e7f24b1fe6f9f9849de2f4e79be

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/U0hCR1nc/b6uFC/KKq5pd02eSmIFkG5Yt7VHwQa/wJzSvc/gPJyVXjqeQOd78uQeR5nNj9drRqq4l3J1mqHBA==
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

2026-09-17T11:31:03.503562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034355
observed 65c314d31d09707dc3826026fdad2ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.479733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034355/manifest.json
observed d5f3144236ec400641c3e5dc41a2a556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.459974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034355/publication.md
observed 1f1c60d8f4ac6b4cde3b70f6a5456a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.440656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034355/publication.txt
observed 4534fb3411476783e3174b5dbe54fc43...
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.