OpenTechnical

OT-2026-000014941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000014941) never changes.

Identity and time

Publication numberOT-2026-000014941 · never reused
Internal UUID01a0ae6d-d095-75e8-9c27-e085ee7a5983 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014941
StatusPUBLIC

Content hashes

Canonical textd48f17d0e87bf932e3a0c58ad36d502113fc3878e54c6f0242115800b1d33222
Markdown5cc2459452e7afeb6266a29aa1ddff201e0367bd0813adb44d077431bb82efa4
PDF
Publication paged997890da036952ea73840305c9d9bfa46980ae8a0d13a9b4b1c9184301d5a40
Manifeste931a9580766f3515efe881d0ce1faa822dd22edcb21db90c63467af855556b0

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
SignaturezmE2Oa3G7mQzRy2O1BHifklcjqTYAjUjZFdmcsfzQf83heZr95BBP07N+PO4UnivntKVyUfdpnct7KiO+yLkDg==
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

2026-09-17T12:06:53.248905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014941
observed d997890da036952ea73840305c9d9bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.229968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014941/manifest.json
observed e931a9580766f3515efe881d0ce1faa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.211548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014941/publication.md
observed 5cc2459452e7afeb6266a29aa1ddff20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.190664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014941/publication.txt
observed d48f17d0e87bf932e3a0c58ad36d5021...
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.