OpenTechnical

OT-2026-000066798

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000066798) never changes.

Identity and time

Publication numberOT-2026-000066798 · never reused
Internal UUID01a0ae8e-ce43-7c3a-aad1-442e7d800573 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066798
StatusPUBLIC

Content hashes

Canonical textbebc8fea0a885aead02e57eea9dd1469b3575312f9669771b79a21fa82ae5cc9
Markdown09971ea0c69a2e2593334c38a4eeb9ff3f606cc36cf94de7b3714b45b594febf
PDF
Publication page45c5ada582108db4b8977664a96e18cc2dd692e78b5ac5828b7b769155a13810
Manifest37e2c6fdbce8e3851cede85805951f2f78b4c9d5e84d9024ce28430e590ef327

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
Signature4RptiVmjxP78aF7n8D/RoHX91Gh97wecWyXkQjuZ5XSUPvT4SPLojhpyfQgcYt+tix3D0sTyhCGkR0ab2SXCDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:13.453444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066798
observed 45c5ada582108db4b8977664a96e18cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.434426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066798/manifest.json
observed 37e2c6fdbce8e3851cede85805951f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.415069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066798/publication.md
observed 09971ea0c69a2e2593334c38a4eeb9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.397604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066798/publication.txt
observed bebc8fea0a885aead02e57eea9dd1469...
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.