OpenTechnical

OT-2026-000023437

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023437) never changes.

Identity and time

Publication numberOT-2026-000023437 · never reused
Internal UUID01a0ae70-7268-7bdb-88c2-8b415fc16340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023437
StatusPUBLIC

Content hashes

Canonical text35d8235e82cff4cbf5bea98f2048544ec028a4cde9c972d528cc8d5eb478b20f
Markdown77b234e3384137341ac7a87f7d9fca5c274a21c120e0ecb289c796d5e4b4250a
PDF
Publication page31911b1a41da1e28c43bf8481933b6c6a5a241619373fd0fca883426da9b3cf2
Manifesta7bffe67de51227e3a338d86f36194bd3ad54ab97e7bb0ffd08df52e244e01f8

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
SignaturefRBbGKdsL5elSC0Jru1Yjf2GuCzecCFNULf/9HIZKGD4ieaf/sVFE/5VI9eH3y9zHBDan8+KtTMVK0sleBZMDw==
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

2026-09-17T11:51:39.067618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023437
observed 31911b1a41da1e28c43bf8481933b6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.051855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023437/manifest.json
observed a7bffe67de51227e3a338d86f36194bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.035581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023437/publication.md
observed 77b234e3384137341ac7a87f7d9fca5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.019171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023437/publication.txt
observed 35d8235e82cff4cbf5bea98f2048544e...
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.