OpenTechnical

OT-2026-000044187

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold 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-2026-000044187) never changes.

Identity and time

Publication numberOT-2026-000044187 · never reused
Internal UUID01a0ae7b-d67b-7fe4-95f6-12eceb77fccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044187
StatusPUBLIC

Content hashes

Canonical text4a0b1ba23ee6116e81382fd9e21399359885162a0100c77b2262209d01e9d6fe
Markdownfbf6c6553afef380f4f113fe0d814a9e985532b13d075352e4cc0a466218ac8f
PDF
Publication page27c75ad11961f9a8c286d9753aab4f92551a361bc31b3f83dd026edf9d39d60b
Manifest06b56533c7f299e0efc73cdd3c8c0805af90b09d7595a4bde131d4513b0d6de7

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
SignatureiYwQbvz+IQJFNkM/tna9BoIO4k02Q6UjyLsOBWkFkJD0B0c+M3RuE6yMai1S2AKwj+Cw8+NUZZ4nSxHVmHjiBA==
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

2026-09-17T11:12:37.530019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044187
observed 27c75ad11961f9a8c286d9753aab4f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.512083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044187/manifest.json
observed 06b56533c7f299e0efc73cdd3c8c0805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.492357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044187/publication.md
observed fbf6c6553afef380f4f113fe0d814a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.475197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044187/publication.txt
observed 4a0b1ba23ee6116e81382fd9e2139935...
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.