OpenTechnical

OT-2026-000024347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000024347) never changes.

Identity and time

Publication numberOT-2026-000024347 · never reused
Internal UUID01a0ae70-e8c9-76e7-9fa2-d89856e444b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024347
StatusPUBLIC

Content hashes

Canonical text5961e5998a9b6f0449d887b2e395140d28791c23eb3fd6acab89c4e7f42bb409
Markdown401eb176afef4c49ae3dea8e349421ea0f1fc0a64e5d1b9c6b749aac83d677db
PDF
Publication page949e462e92da15df0f91de153663905b1187a48048527d4b1cd9cffc97f97c37
Manifest10b8ab13ebd5bc014b58131e03f5e1a70a6c8724a4f0fb3ba06cccf23a296b56

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
SignatureXT+hDgvPJlf7fAVfbzQJD66zb1fLqWkKQl60qLayNa1d9ECtNM5Kxkwgx3bGNm1cwSNqBNkzzhqs36FPaEGVBA==
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

2026-09-17T08:41:20.795166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024347
observed 949e462e92da15df0f91de153663905b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:19.558306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024347/manifest.json
observed 10b8ab13ebd5bc014b58131e03f5e1a7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:18.985559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024347/publication.md
observed 401eb176afef4c49ae3dea8e349421ea...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:18.286159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024347/publication.txt
observed 5961e5998a9b6f0449d887b2e395140d...
fetched by grabo-systems from 34.44.131.203, 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.