OpenTechnical

OT-2026-000023173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000023173) never changes.

Identity and time

Publication numberOT-2026-000023173 · never reused
Internal UUID01a0ae70-7267-7bc8-b722-1c67b21ab644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023173
StatusPUBLIC

Content hashes

Canonical text0b5d6b8fae1cf887ee20b33603a319e8c77c4a851bff0de75b5f64cf13a5825c
Markdowna79b3520465ec1e18b7b3e9913e59267a7e7dace00f1540f6cc09c17f7cfbc77
PDF
Publication pagee5d3ef666423fbfe54dec119d4ec750b6b69469d5af5ba66fbbb7348badb4d2b
Manifest44992a83fe45cb9963dad9cc7d2c8d11ca5c7e4b86cb68a7723a58948440a9d8

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
SignatureSTsdUWbSDaDhOIoslkQAexiAkluTUCT1/e44xxKoIfWeDK5CVMUfZ9XfAHIukc7dM0ut4b/W7yrXv4pqKyhnBA==
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

2026-09-17T11:51:07.081677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023173
observed e5d3ef666423fbfe54dec119d4ec750b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.064793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023173/manifest.json
observed 44992a83fe45cb9963dad9cc7d2c8d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.046956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023173/publication.md
observed a79b3520465ec1e18b7b3e9913e59267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.029450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023173/publication.txt
observed 0b5d6b8fae1cf887ee20b33603a319e8...
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.