OpenTechnical

OT-2026-000037950

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000037950) never changes.

Identity and time

Publication numberOT-2026-000037950 · never reused
Internal UUID01a0ae77-f88a-77b8-9b94-941918a31558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037950
StatusPUBLIC

Content hashes

Canonical text9d275a1148889dfeaf2461a86aa50bb8003311f6e47e4249da565552f2272a09
Markdown54f722de67e1b89aa1c8aaf5038745be1e31c8248df8b866ff55642b31814bb1
PDF
Publication page33b7fd6b110d5190c38d8636397143e9e371cbc9334e6e08ff600de6a787da72
Manifest391bee5da3803630874425669ad7dda451a4c3b5676e0d7d62b83adec2a918be

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
SignatureRij83ZTOy7ttXsD85PEOQPVj11XkX/MbbB8e+m1qstCBQXVW8vgnq9WlbZLKNNsi6OJDKNw4R49gS1zen0meBg==
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

2026-10-31T04:41:55.727825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950
observed 33b7fd6b110d5190c38d8636397143e9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T04:41:55.648399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950/manifest.json
observed 391bee5da3803630874425669ad7dda4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T04:41:55.575181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950/publication.md
observed 54f722de67e1b89aa1c8aaf5038745be...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T04:41:55.471992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950/publication.txt
observed 9d275a1148889dfeaf2461a86aa50bb8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:23:34.132495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950
observed 33b7fd6b110d5190c38d8636397143e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:34.114453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950/manifest.json
observed 391bee5da3803630874425669ad7dda4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:34.087374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950/publication.md
observed 54f722de67e1b89aa1c8aaf5038745be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:34.056141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037950/publication.txt
observed 9d275a1148889dfeaf2461a86aa50bb8...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent