OpenTechnical

OT-2026-000037026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000037026) never changes.

Identity and time

Publication numberOT-2026-000037026 · never reused
Internal UUID01a0ae77-7740-7d8f-8144-0ac36b85a35c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037026
StatusPUBLIC

Content hashes

Canonical text027631b0adfbdbcfa123037e3148e5a4ce732b1430a0ca559d426f9867a75e96
Markdowna1e8991910d18b53777d5590f1ccb2e665424b0c70b809e01147235e52931631
PDF
Publication pagef7f904b32d08a2447c90eebdcb1d3fbb6e650d567541def822205f14c055f47b
Manifest976c75736d77360a1473d07b643bb005cbedda9b330aa0c32a0b69b4771babc0

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
SignatureviD7Gkcxe7ishoEKVOWM0n19Ope07BDUygnm3eVUqw7QgpW7SarDLG7+9TYo7cNLMT3eSvMzLcP3aD3ZtLruDA==
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

2026-09-17T11:24:51.073435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037026
observed f7f904b32d08a2447c90eebdcb1d3fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:51.052526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037026/manifest.json
observed 976c75736d77360a1473d07b643bb005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:51.012601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037026/publication.md
observed a1e8991910d18b53777d5590f1ccb2e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:50.755443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037026/publication.txt
observed 027631b0adfbdbcfa123037e3148e5a4...
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.