OpenTechnical

OT-2026-000011950

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000011950) never changes.

Identity and time

Publication numberOT-2026-000011950 · never reused
Internal UUID01a0ae6d-1942-7596-a729-76ea2cc63c1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011950
StatusPUBLIC

Content hashes

Canonical text7d3cf86d013b651c360e29f7166b6101d9d757e396ac0a8c1cdce4b7195eff33
Markdown4c6432538a5867de22204abbcefb20de5187b66cb9cbf82507e32c9ee38e9ef7
PDF
Publication page58249eb1b7920de340b0578eb81aa35e61e5cf787d7cc202ff8c002146525762
Manifestc68e27a680a15f2449b7951f9a0cf07a39e4e6626ef8bda10c2fafe67d84f008

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
SignatureSBVB3elvbnU8iRR9/kDivIQwBMzEdmTaxefM5Nz5GRpBWvCGK68gTa0DZh098mEXyLRFZDK1Kzz5HZS3UCSWDg==
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

2026-09-17T12:12:47.729296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011950
observed 58249eb1b7920de340b0578eb81aa35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.707765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011950/manifest.json
observed c68e27a680a15f2449b7951f9a0cf07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.685391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011950/publication.md
observed 4c6432538a5867de22204abbcefb20de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.666464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011950/publication.txt
observed 7d3cf86d013b651c360e29f7166b6101...
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.