OpenTechnical

OT-2026-000013522

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000013522) never changes.

Identity and time

Publication numberOT-2026-000013522 · never reused
Internal UUID01a0ae6d-6fcb-72c3-81af-392ce2b356b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013522
StatusPUBLIC

Content hashes

Canonical text446a9da1795f4e2958eab222a8765e00689f4a11e7f42b558a146ec6dedb0bf4
Markdown28dfb36ecd689702a8f54a63732d66d354b61f801fe3c294595f4da4e7c20ac5
PDF
Publication page03dc25f192b913365f4f42d758f05f71e73af4b21014175de341808a25e1ce02
Manifestd0a450f67e89c118a7e2ae036dcf2a676c75fc14614200154c3d8c95c031f644

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
Signature16uaAzWU6L65ezBEHkSE3W6liX5MuHMI7fpNEDIPWjDgP+KZRi08ZDUhatn4Xnm9INO5xfjNpVtNkOV6IlKfAA==
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

2026-09-17T12:10:02.206734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013522
observed 03dc25f192b913365f4f42d758f05f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.189683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013522/manifest.json
observed d0a450f67e89c118a7e2ae036dcf2a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.169568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013522/publication.md
observed 28dfb36ecd689702a8f54a63732d66d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.147331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013522/publication.txt
observed 446a9da1795f4e2958eab222a8765e00...
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.