OpenTechnical

OT-2026-000012855

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000012855) never changes.

Identity and time

Publication numberOT-2026-000012855 · never reused
Internal UUID01a0ae6d-5563-7d41-9917-7a6cff2842e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012855
StatusPUBLIC

Content hashes

Canonical text572021cb7f6de490e5e03b4f7a125506a4cd5371cf6845f6dd7a060211bc805b
Markdowned3485482193e196fda1167d0ed5aa953677a4499c4c0eb831f17e15ae62631a
PDF
Publication page0a41e728860adb06145a9c23e1458a506beb8b5cd84a7908e45a303c3318bb1b
Manifestef798c295ddcad7b4d3fe00f2fd80e2ca27f27810646cc4a2c9e6d71755f4ef3

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
SignatureKvk215XVvrLwMxV2DUAPG90czzpD0Qc/E0nNZAv5aHIns+1Tawl19rPQreSM2lbw5eLk3dszLmUHhCi8R3ptAg==
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

2026-09-17T12:10:38.128979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012855
observed 0a41e728860adb06145a9c23e1458a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.110428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012855/manifest.json
observed ef798c295ddcad7b4d3fe00f2fd80e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.091045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012855/publication.md
observed ed3485482193e196fda1167d0ed5aa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.070252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012855/publication.txt
observed 572021cb7f6de490e5e03b4f7a125506...
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.