OpenTechnical

OT-2026-000011288

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, pulsed 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-2026-000011288) never changes.

Identity and time

Publication numberOT-2026-000011288 · never reused
Internal UUID01a0ae6c-5410-77ab-884e-8446c8ad28a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011288
StatusPUBLIC

Content hashes

Canonical text94b7a14405de55345d3d0e1dfcfff7e739dbb2da6d8a7ecc27c19e8b0bf39e99
Markdowndcc59e4853eb5e740f809bb353abbccfec88cc2d0d99f55bcaccb85cdf548657
PDF
Publication page6ee0d6ed661ea3bd281cc5345ade76c1b13527bde5f1efb7e24048a95900a5c3
Manifest7265e4a57651d226a3a2cbaba203b5d1541eec5edbf9f838d9dff95193fb2ee6

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
SignatureSo8tTnqzQTgCDshk6mhq5VcT9BoIU//gEw3UPLCKjy+iCu9F1TbBLjpD3I+tpBqMCN6la8sKqMlCgWG8xPCGAQ==
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

2026-09-17T12:14:15.833759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011288
observed 6ee0d6ed661ea3bd281cc5345ade76c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.813411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011288/manifest.json
observed 7265e4a57651d226a3a2cbaba203b5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.793703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011288/publication.md
observed dcc59e4853eb5e740f809bb353abbccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.770816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011288/publication.txt
observed 94b7a14405de55345d3d0e1dfcfff7e7...
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.