OpenTechnical

OT-2026-000076279

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000076279) never changes.

Identity and time

Publication numberOT-2026-000076279 · never reused
Internal UUID01a0ae94-6a6f-7e8e-93d9-ba405439ef94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076279
StatusPUBLIC

Content hashes

Canonical texte9829635eca5d6bc7cae84ab611096928b22776bdc21f071427660c52e55aad5
Markdown791468b333390bf996df78ea9a07be652dd90236aa9cce77aaba9822d71478eb
PDF
Publication page2000c4573361dba6218b56b136b5e78540d280616920a0aa6005c31dff0bf16e
Manifestda9e1599758f11a62600204ddeae513fdde6ccc65213390a6da18c04a6b3b3cf

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
Signature69Yrf56QjcI1enV+aXL3yRdlHGmwh01Y9TwioO9uFs8DLuMIx56CrwSeH+NMq9Pgs48DDsqMpkUc5uXm8hggDw==
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

2026-09-17T10:12:03.722720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076279
observed 2000c4573361dba6218b56b136b5e785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:03.702668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076279/manifest.json
observed da9e1599758f11a62600204ddeae513f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:03.580440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076279/publication.md
observed 791468b333390bf996df78ea9a07be65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:03.560719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076279/publication.txt
observed e9829635eca5d6bc7cae84ab61109692...
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.