OpenTechnical

OT-2026-000042061

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000042061) never changes.

Identity and time

Publication numberOT-2026-000042061 · never reused
Internal UUID01a0ae7a-5d70-7576-930c-ae4b9b3ad59c · 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-2026-000042061
StatusPUBLIC

Content hashes

Canonical text673424f535c709948e3e8ad88923e99c85281132f49d70535be4df2c4e88617a
Markdownec1d4db42b923921f9f35d8901b85140a1c5e5f1ec278b09f1d7a21c5dcbab27
PDF
Publication page9b40fde7b0614296028e9b725ad22a7419e851c60953a79625926d533483d6f0
Manifesta498ee06cffff9eed6754fe97b8a3b06509b98cb5e2d13fd57018bc49f53e5f4

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
SignaturebjMeLBcEmGS8CVKgOHpk99Q4TiM+kIEmUWZdWZ1LcsLoZ6ZfzZPuIf3ki86yH38TfOzQF++ivqCAR1UR7O+EBw==
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

2026-09-17T11:15:34.883057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042061
observed 9b40fde7b0614296028e9b725ad22a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.863590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042061/manifest.json
observed a498ee06cffff9eed6754fe97b8a3b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.844648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042061/publication.md
observed ec1d4db42b923921f9f35d8901b85140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.824514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042061/publication.txt
observed 673424f535c709948e3e8ad88923e99c...
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.