OpenTechnical

OT-2026-000018298

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000018298) never changes.

Identity and time

Publication numberOT-2026-000018298 · never reused
Internal UUID01a0ae6e-b489-77c0-ae44-44bafde3b4e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018298
StatusPUBLIC

Content hashes

Canonical text5d97a5315ff4886605fe9fe0f867d2b710405759f8886234812fc0428148d827
Markdown14a3b935c03c6d185696d9901f70fa0a6fea30aea81cd3be03b7637be8a5df75
PDF
Publication page90d7a4e2ac1b00308c365f691864f966ce8b9d6d3b7750b293af37efbe5b4254
Manifestd0591407fd4d05db1af2339a97a987534b76d6738ef24ce58c17781d59ca5c68

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
Signaturemb22YphI40p4rHDvIqmkB70KRw3RgXxANDXXkm8bNdmdgk8w4sKxid7h4SDcSW65Jjhc/vToX3/clf6MloZ5Bw==
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

2026-09-17T12:00:10.386341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018298
observed 90d7a4e2ac1b00308c365f691864f966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.362648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018298/manifest.json
observed d0591407fd4d05db1af2339a97a98753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.337804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018298/publication.md
observed 14a3b935c03c6d185696d9901f70fa0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.307882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018298/publication.txt
observed 5d97a5315ff4886605fe9fe0f867d2b7...
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.