OpenTechnical

OT-2026-000027873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027873) never changes.

Identity and time

Publication numberOT-2026-000027873 · never reused
Internal UUID01a0ae72-a4a5-770e-b5fa-a94e439ec693 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027873
StatusPUBLIC

Content hashes

Canonical text709b4b7e3542bd2e1e725cf8191ed61ff2c4ce1ee2515e4967bf51db3da8898f
Markdownac47ace2fe2c4f58c8be0e47b7bd488d1a08ec009b7801c6ddec578fac1ef50d
PDF
Publication page4c780f4138fd4abdf6abedfe4056a2d9fb660b00045991c8d6ea83b902d287f0
Manifest4e89232d0a1997f4b2a0cf231922664a50109fe372b35815055de2aa68898086

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
SignatureLIxa+PZRKi9k6Q99mnYE1dm2qcITL/JY4RIALbTXb/FIIwt+PIRpoClIWhGU2g3qH/d3enPUlds7nI1evbXlAg==
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

2026-09-17T11:42:01.784528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027873
observed 4c780f4138fd4abdf6abedfe4056a2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.767166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027873/manifest.json
observed 4e89232d0a1997f4b2a0cf231922664a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.747785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027873/publication.md
observed ac47ace2fe2c4f58c8be0e47b7bd488d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.726685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027873/publication.txt
observed 709b4b7e3542bd2e1e725cf8191ed61f...
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.