OpenTechnical

OT-2026-000018419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000018419) never changes.

Identity and time

Publication numberOT-2026-000018419 · never reused
Internal UUID01a0ae6e-b489-7358-b520-1cf8a6f20635 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018419
StatusPUBLIC

Content hashes

Canonical text026aae1bb468812e220eec34fb0bfb512a4dc7284e5e55606dac0f45e33dce49
Markdownd17aaa6f428e36f51f34ca92ea54ea5ae173c3e7f0350962276c9d34a7cd1488
PDF
Publication pageefc179dd2f294c255f47c9aadf432635387fde818a855b76b656df071c4a9efc
Manifestfc78123643a8150b487e1b57e4ec85c17a2e15098bbf7a7c6193372bc633941c

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
SignatureBPkAB+4A/OTxQ63dd5XI7hONeTwjik3RWHNUckKKvhjXupAnpY7W3LZfoW1auk6RNqykWakVAM+1kVC/fAX6BA==
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

2026-09-17T12:01:10.006276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018419
observed efc179dd2f294c255f47c9aadf432635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.988971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018419/manifest.json
observed fc78123643a8150b487e1b57e4ec85c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.970591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018419/publication.md
observed d17aaa6f428e36f51f34ca92ea54ea5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.949767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018419/publication.txt
observed 026aae1bb468812e220eec34fb0bfb51...
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.