OpenTechnical

OT-2026-000022863

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000022863) never changes.

Identity and time

Publication numberOT-2026-000022863 · never reused
Internal UUID01a0ae70-46eb-780e-b335-cb9c49bf7634 · 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-2026-000022863
StatusPUBLIC

Content hashes

Canonical text21ce4eceadd39206cd9b9e641ee343961894cedb3b0a0b88d56b4a60f9500c8d
Markdown659f8a7886be623ade42d4bcd1590ff2a32647490dafe8f17a1b8d3d5c3cc01b
PDF
Publication pagebf7bc19ea0882f3d2fedfdb7e1b39dc0dc41c339daff3e0b0fd3c10377ff3771
Manifestd4de5804c94e4b02c2fd621780ea137f03451f9b3db1ec443d3d793c6d969a2e

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
Signature5m0JrWqIRjZ4cXxGiquFYKRGvb0Ytu8jctS187YXBxqFZVnFXvLELEclGb+FwtU7VQMAE0Qg3CZa936ZeEcWBw==
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

2026-09-17T11:52:24.288194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022863
observed bf7bc19ea0882f3d2fedfdb7e1b39dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.270235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022863/manifest.json
observed d4de5804c94e4b02c2fd621780ea137f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.253781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022863/publication.md
observed 659f8a7886be623ade42d4bcd1590ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.236803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022863/publication.txt
observed 21ce4eceadd39206cd9b9e641ee34396...
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.