OpenTechnical

OT-2026-000047503

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000047503) never changes.

Identity and time

Publication numberOT-2026-000047503 · never reused
Internal UUID01a0ae7f-3e58-7314-898c-2c3b2a6fa539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047503
StatusPUBLIC

Content hashes

Canonical text55c60bf4cf0315439de66a83310bb932c5d2dd1099c5a55c3694c486840ee853
Markdown9cfba4bc35ca41c37a54a62f81db106b7d6b814711dab091bd1f87a7071b7c71
PDF
Publication page40e1e0a23de328d6be0c939862459944c79ce940354b5945434bcf09a7c24257
Manifestfc9620a4abce16d344f030c07b51d8c417d473e6d29b1a238652aeaf8e0010ac

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
Signature1wjmoLb3ssVlEGhAssuArVowEmzlYuFIfxCGZMs2dlc4bMlfOdkYIwlHBDIzbhXwrCOIEmlDuBOrSobQ/bBmBA==
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

2026-09-17T11:06:32.983454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047503
observed 40e1e0a23de328d6be0c939862459944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.965934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047503/manifest.json
observed fc9620a4abce16d344f030c07b51d8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.947337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047503/publication.md
observed 9cfba4bc35ca41c37a54a62f81db106b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.927723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047503/publication.txt
observed 55c60bf4cf0315439de66a83310bb932...
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.