OpenTechnical

OT-2026-000068129

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000068129) never changes.

Identity and time

Publication numberOT-2026-000068129 · never reused
Internal UUID01a0ae8f-c4ff-7180-8c78-c1556967d221 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068129
StatusPUBLIC

Content hashes

Canonical text79e606f1a9b39a69f83f28b161ab81bd182fc440decc07af6ce274ad744f4e98
Markdown607ce0e5659d08a6bc80853cbee5a8e1ff5c74544adf9f7263e84f3250bb694c
PDF
Publication pageb2083a6e8a2deb52bdea9bb3bc292ce4b3b6e8ee8fdb5ae440581e1d67d40ed1
Manifest0858c5ac6ec1ad4cc341511c5eaed92973747c03ebd6dde35553b64e5bbaab39

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
SignatureFsIlef1oJ4gExlHUFLHGPCOYzifAON7rde6a6EV1CIOQPKVDFwk4fpqL6W4778+f/qj69+2ljv1p3+xEIOnKDQ==
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

2026-09-17T10:30:46.180346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068129
observed b2083a6e8a2deb52bdea9bb3bc292ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.159396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068129/manifest.json
observed 0858c5ac6ec1ad4cc341511c5eaed929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.142008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068129/publication.md
observed 607ce0e5659d08a6bc80853cbee5a8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.121441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068129/publication.txt
observed 79e606f1a9b39a69f83f28b161ab81bd...
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.