OpenTechnical

OT-2026-000058161

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000058161) never changes.

Identity and time

Publication numberOT-2026-000058161 · never reused
Internal UUID01a0ae88-6edb-7ab5-971b-0224a71b3a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058161
StatusPUBLIC

Content hashes

Canonical text20a6f1c94bbec6771a8e1178f2bda37aa6593eab85e07f2aa69394087c8b6668
Markdown59a5424237ab611165afda57d25c50d72524a3288ce6a6fd52f9dbdbe8d9e4ec
PDF
Publication paged56126543b433ce0aa1786e170107cdb87692ddf5a2bf0783509db20103becd5
Manifest14a315fba72ee9f2e1754724b56d9e7267224ead129fd8d2abccd092309f4a22

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
SignatureD1O6By24G9FxE67IWuLaI0Iv4IjUGwoiqw2GukolWEDjYOEQO2569AD/4N4hHILC/vQnMVvlAxJN9Rk51islAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:51.479753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058161
observed d56126543b433ce0aa1786e170107cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.460336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058161/manifest.json
observed 14a315fba72ee9f2e1754724b56d9e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.440440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058161/publication.md
observed 59a5424237ab611165afda57d25c50d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.420312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058161/publication.txt
observed 20a6f1c94bbec6771a8e1178f2bda37a...
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.