OpenTechnical

OT-2026-000079651

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000079651) never changes.

Identity and time

Publication numberOT-2026-000079651 · never reused
Internal UUID01a0ae96-0b93-7aeb-98ff-f39f896932f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079651
StatusPUBLIC

Content hashes

Canonical text02347b21972700b5dda37b9da5ddf7454786dcf07022f5adcbb067ea83490563
Markdown87d54baeeaa37149d5990bf4010a8bfbb9162895b9c10c4770201c6eb5862ccc
PDF
Publication page7f661e7e1aca8f434a41040dabbf3aa09fdbf32141dec966316575487a51e73a
Manifest0dcd80f522ce407ae6f21eca7411431911f1f21dae049f1bd9699cd838a57597

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
SignaturefMZ2HFcfb94QB1FLwe+imH0pvdIA8pMhNEzPYSj6O+e2E/6FnNzqZL6AW02Ox2L70bI9/bwQ2ISocEctGfyVAg==
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

2026-09-17T10:05:19.090173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079651
observed 7f661e7e1aca8f434a41040dabbf3aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.073048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079651/manifest.json
observed 0dcd80f522ce407ae6f21eca74114319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.055787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079651/publication.md
observed 87d54baeeaa37149d5990bf4010a8bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.038643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079651/publication.txt
observed 02347b21972700b5dda37b9da5ddf745...
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.