OpenTechnical

OT-2026-000087365

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained 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-2026-000087365) never changes.

Identity and time

Publication numberOT-2026-000087365 · never reused
Internal UUID01a0ae9a-cd4f-7675-b445-a283f9f3c41e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087365
StatusPUBLIC

Content hashes

Canonical text594f80e9e123ec2e4bb737f7267b7d7b7c00bc89a2728e7400a1f65f77e48c83
Markdowne2a6a7c3a8574f1aab669097107b1c1906315ac3bfb17056d5b3fff5fd82c4f1
PDF
Publication page7c7a9f77bd99396956a29809bf817ddd552668f3d5fb6a575c2a8ddbc8162839
Manifest4477a8a92e6481cf3a85ea7f15a7594d0181232d78e656640c7e6cc6caf2f6e2

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
SignatureqAd84hBH+XkX6ZPQBHPUthKTcxOpEC2aD3K6ZfH+R7R7UmUqvHp8EA+BvLfieHMdra06fQVi10XvjGX5xA9rAw==
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

2026-09-17T09:50:32.808549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087365
observed 7c7a9f77bd99396956a29809bf817ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.792052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087365/manifest.json
observed 4477a8a92e6481cf3a85ea7f15a7594d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.775192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087365/publication.md
observed e2a6a7c3a8574f1aab669097107b1c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.717939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087365/publication.txt
observed 594f80e9e123ec2e4bb737f7267b7d7b...
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.