OpenTechnical

OT-2026-000032151

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000032151) never changes.

Identity and time

Publication numberOT-2026-000032151 · never reused
Internal UUID01a0ae74-f7a5-7ed5-8d93-4d08cc275ccf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032151
StatusPUBLIC

Content hashes

Canonical text90cb5d64444456095de4f85f2a588af77eff09fcf8fe4ae0b3646db549b3a72b
Markdownf5d1a3d4be3eb1a71d699802a661c780ff942dcbb29a0a8fd43f1c9a55bad2b7
PDF
Publication pagececdb866a4debb72820d5d61df153fac5bb7e8fc7099e11c09c1b18ee2d88156
Manifest0bfe4941d7221959d3030ee76404d9d1298c1babf8175465375b68915020a2e2

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
Signatureqco1m/S+iSBXGeURKTn0D+rtb8ALuxjCZ+BbAjp5XZT9ayrll0nycBVNFZxGQb1nXQiIy2CxgYIyKT9CgUD1AA==
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

2026-09-17T11:34:28.463007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032151
observed cecdb866a4debb72820d5d61df153fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.446668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032151/manifest.json
observed 0bfe4941d7221959d3030ee76404d9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.430830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032151/publication.md
observed f5d1a3d4be3eb1a71d699802a661c780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.414518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032151/publication.txt
observed 90cb5d64444456095de4f85f2a588af7...
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.