OpenTechnical

OT-2026-000038790

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000038790) never changes.

Identity and time

Publication numberOT-2026-000038790 · never reused
Internal UUID01a0ae78-769f-7d4e-a8bf-cfc2e43ddea7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038790
StatusPUBLIC

Content hashes

Canonical text37a7df158278aa092e9ea96aef5a4e9b8eb804448e4d9d1474fad74b1bb0d95d
Markdown4c393ad9ed38d92703dba68c3c525d6cd247cc21d3bd83f56a2ae90dd5e6009e
PDF
Publication page55f71e7e39021437be65bd77754fbf4ad6f44f493760302f38207e315a6f13b9
Manifest70ec3bcd6f4d61cd2774766b6d409b7db4e9a8e9551d7d96efc2ce4e3f0005ea

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
SignatureBS3nzNMZuCxjUNlK/Ak37tbQEydNb6PdRZ/e8JIdDUmH2PO9PqDSsYOVKIjNVPEiJohZz8YypiMygRbk2klRAQ==
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

2026-09-17T11:21:20.420048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038790
observed 55f71e7e39021437be65bd77754fbf4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:20.401197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038790/manifest.json
observed 70ec3bcd6f4d61cd2774766b6d409b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:20.383555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038790/publication.md
observed 4c393ad9ed38d92703dba68c3c525d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:20.364941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038790/publication.txt
observed 37a7df158278aa092e9ea96aef5a4e9b...
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.