OpenTechnical

OT-2026-000034514

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034514) never changes.

Identity and time

Publication numberOT-2026-000034514 · never reused
Internal UUID01a0ae76-1ed0-774e-bf1b-ab1b90cf49e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034514
StatusPUBLIC

Content hashes

Canonical text3a0138d4f1e4bff338866d8effaa084a409a589aac01eba16b45563608932a80
Markdown972c9f40311e09b0c5e6a3b286b0711ed9b9caf6875d47f99016798a33e4e24e
PDF
Publication paged8ef33a7730517c88b22895257db13f73dad0e81e4802c19f3cb5efd9c412300
Manifest77cb37cdbba22ad10496b29c2be486e4bb1e9c2b11fc2264b93df5f97e17dc44

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
SignatureayOUCr7T9rnMFItLzWwD8G77Ubn+JYtvuabQP8GGjP81ftoi4QwUM1bFu1eSI9hBbZEJgXCAWIJROVfJ2hlyCQ==
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

2026-09-17T11:28:51.925734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034514
observed d8ef33a7730517c88b22895257db13f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.907371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034514/manifest.json
observed 77cb37cdbba22ad10496b29c2be486e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.887575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034514/publication.md
observed 972c9f40311e09b0c5e6a3b286b0711e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.870310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034514/publication.txt
observed 3a0138d4f1e4bff338866d8effaa084a...
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.