OpenTechnical

OT-2026-000033506

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033506) never changes.

Identity and time

Publication numberOT-2026-000033506 · never reused
Internal UUID01a0ae75-a38e-7c7e-a410-9c009377ce1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033506
StatusPUBLIC

Content hashes

Canonical textac21537277550d4476819d174a371ebb61ee6b5b6789c625c8014b9cf1cbd069
Markdown363e8155f2cd24d3865722d93b509655a6c04aa8746301b57bc5a1ce4883b31c
PDF
Publication page3d625d04229b2f5aa2897d892939330fd9339ac4cd11dff79a3b16fa6ad210ab
Manifest7d8039f9a51e2941255a07001daba14fe08c1d20e7e9a0a62bf8301704939949

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
SignatureA6j/VbAwqIrB8oew6hCO6JuBW17ggNi3+Hx3KKeB7dt6RlOXKvqPgvemn8eG0yPheZejNZ1OwzvmsFhyykGYCQ==
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

2026-09-17T11:31:21.503478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033506
observed 3d625d04229b2f5aa2897d892939330f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.480316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033506/manifest.json
observed 7d8039f9a51e2941255a07001daba14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.463416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033506/publication.md
observed 363e8155f2cd24d3865722d93b509655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.445526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033506/publication.txt
observed ac21537277550d4476819d174a371ebb...
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.