OpenTechnical

OT-2026-000017830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000017830) never changes.

Identity and time

Publication numberOT-2026-000017830 · never reused
Internal UUID01a0ae6e-96fb-7817-a351-c14fa7ca8500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017830
StatusPUBLIC

Content hashes

Canonical text5112c86f3ddef4f9edf70ef0171f661a40b7fce9f4ca80cad1adf4d8b8c45a41
Markdown16003b91ecdc3c77747fafa9360f3d24f1e95f05a8c4283e207548e5c161cef8
PDF
Publication pagecdc67803fdf490ad931244c41729e654e24dc43ff719b250221a009c86c1e0a4
Manifest470bd959c0ffbd257bedf4f4499b17891231e09d86354e4ea6ab91a708ec938d

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
Signaturecx/bIulF9/StErobSi93Z+7dc2y0P0M2g7AfbJ91v0qCYPiSgnFuwtQWXnq8oNIiDJszs0GVE8arI75FRQOeBQ==
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

2026-09-17T12:01:48.335523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017830
observed cdc67803fdf490ad931244c41729e654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.316784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017830/manifest.json
observed 470bd959c0ffbd257bedf4f4499b1789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.299118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017830/publication.md
observed 16003b91ecdc3c77747fafa9360f3d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.278411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017830/publication.txt
observed 5112c86f3ddef4f9edf70ef0171f661a...
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.