OpenTechnical

OT-2026-000033511

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000033511) never changes.

Identity and time

Publication numberOT-2026-000033511 · never reused
Internal UUID01a0ae75-a38e-7b4b-9be3-258e8f75f153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033511
StatusPUBLIC

Content hashes

Canonical text213b78278073d0d62dd8e3a05fcf991142dc5c2ca63d7bd35a23ad4c7b70e6c8
Markdown203441e51d41b64921838109759dc8b6cfeb608be9792da846b5ba8bfb77a629
PDF
Publication page54dd651676ad77b4c3a44c88e771e3c6ad89b303238595178099f61e8890ad35
Manifest69dcb0d32d2a0109499ae18cd64bb9affd35d6b155cca4259e6f55efa3f1bb74

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
SignatureKAsaZcZ+o2OjT8IEbrh78g485tJ2ak0ZwBm7+Mfc8/Z/PjHJOHWT9bFdn9IS+mwOR5sYz0vSBebiAMuvj5UeBw==
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

2026-09-17T11:31:21.885143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033511
observed 54dd651676ad77b4c3a44c88e771e3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.869473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033511/manifest.json
observed 69dcb0d32d2a0109499ae18cd64bb9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.851089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033511/publication.md
observed 203441e51d41b64921838109759dc8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.831848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033511/publication.txt
observed 213b78278073d0d62dd8e3a05fcf9911...
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.