OpenTechnical

OT-2026-000042087

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000042087) never changes.

Identity and time

Publication numberOT-2026-000042087 · never reused
Internal UUID01a0ae7a-5d71-7cae-a68d-9c73cdbf59f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042087
StatusPUBLIC

Content hashes

Canonical text7897d33ca89367e69cfb84cbd491523aec00de7cf0639647e7c6b469c98e1815
Markdownd6017af0511164a87fa8f811df077487fee30fc16e253d27760765520de99356
PDF
Publication page59ab37b7711edf5d22c99696c2f86877f9f2368481120a105bafd125020b891e
Manifesta2607b9f0488f67615e87405557e249986517bd10ac46f7d2036f4630acf6d57

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
SignaturehAWtT/cpcqk1OP1XBSZmXnHQyTaaV3TXAA5H/BFS3hgc88Ps/NCcUxwtyJtpJ5SZyqI34W4YZ4OSqzPYBRGLAA==
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

2026-09-17T11:15:36.932756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042087
observed 59ab37b7711edf5d22c99696c2f86877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.914584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042087/manifest.json
observed a2607b9f0488f67615e87405557e2499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.895957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042087/publication.md
observed d6017af0511164a87fa8f811df077487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.877745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042087/publication.txt
observed 7897d33ca89367e69cfb84cbd491523a...
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.