OpenTechnical

OT-2026-000053963

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000053963) never changes.

Identity and time

Publication numberOT-2026-000053963 · never reused
Internal UUID01a0ae85-b3a7-732a-b5d7-a2dab8ff3186 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053963
StatusPUBLIC

Content hashes

Canonical text0a012aea74380ab57db882d8d4e3812492637c9c08f514a34f8cb8dbbfe34727
Markdown826a21326aedaf5fea1b72f2eceddf71cbe3810192af3f20d93e65ae2b53d127
PDF
Publication page7c613f477c43e8272712e1d743b9706c2d807b11a335014e7542ba5eb62bb28d
Manifest10e48aa2ea7b0ae39c7db892e9e4e7d7f5aada615b49cfd508ac6c2fe53ea3d9

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
Signaturerg3Y4LzLE+TLY45UXnss05/2RiL1JUceXDX58O5c7LDph4JJagdKpZXuNgBfrfRjAyDeceLQ6q13i874nAu6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:14.170542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053963
observed 7c613f477c43e8272712e1d743b9706c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.148471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053963/manifest.json
observed 10e48aa2ea7b0ae39c7db892e9e4e7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.123262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053963/publication.md
observed 826a21326aedaf5fea1b72f2eceddf71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.985327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053963/publication.txt
observed 0a012aea74380ab57db882d8d4e38124...
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.