OpenTechnical

OT-2026-000023029

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000023029) never changes.

Identity and time

Publication numberOT-2026-000023029 · never reused
Internal UUID01a0ae70-46ec-76c1-9af0-e1b2b69d6fea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023029
StatusPUBLIC

Content hashes

Canonical text35563b000892db8d1eb06331b9a7e776fab8abab404041075268fe9fe2e68b9a
Markdown3fa293051c46ce635f6972cbbe558990f580105932145ea3a73ef85ea2b8c482
PDF
Publication page84c9441618391c8248bdcab582cd9c18ee4018987e67a62eee189e12790324f7
Manifestdbedec80f2e97b1ae19454d14d6d66d783da020fdaa49b6f35156c0ac7200201

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
Signature6oz/S2icwYvQMvNrbMG3UD4saXW5obYZf6jLWQBWYq0MWU5SSglEyQ6n+VUhC2X9O0hlZ2I0UggsIAu9kApUCg==
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

2026-09-17T11:52:37.780695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023029
observed 84c9441618391c8248bdcab582cd9c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.762018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023029/manifest.json
observed dbedec80f2e97b1ae19454d14d6d66d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.744821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023029/publication.md
observed 3fa293051c46ce635f6972cbbe558990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.726966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023029/publication.txt
observed 35563b000892db8d1eb06331b9a7e776...
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.