OpenTechnical

OT-2026-000053430

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000053430) never changes.

Identity and time

Publication numberOT-2026-000053430 · never reused
Internal UUID01a0ae85-0a8f-70b5-9bbf-8b2360afefbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053430
StatusPUBLIC

Content hashes

Canonical text1f2f69d7d5e639c8149502586fbfec38efba67c4a37f1546057b9bfd94fb5be7
Markdown7dc0ba941857b7543af9cd442cff8ceedc95df7d7a81f93ee991cb46674c7334
PDF
Publication page7e2ddd227de641274964a161f2734549bd8e3319a53968a847f296f56c1a472b
Manifest2e2f4b9fa8162da9dbd90e9f326d7e2240f405949540de04b36d4a5cdab94af1

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
SignaturetETXiFfndE5nRQYC5T9BKHL1CNga5moUWN3QkxZxs8HscIK+SzARWgjdpr7/53x4VCr3Kx6bIuO5Qg1cD7zfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:10.085269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053430
observed 7e2ddd227de641274964a161f2734549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.067562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053430/manifest.json
observed 2e2f4b9fa8162da9dbd90e9f326d7e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.049405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053430/publication.md
observed 7dc0ba941857b7543af9cd442cff8cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.029711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053430/publication.txt
observed 1f2f69d7d5e639c8149502586fbfec38...
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.