OpenTechnical

OT-2026-000012709

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000012709) never changes.

Identity and time

Publication numberOT-2026-000012709 · never reused
Internal UUID01a0ae6d-5562-7936-b0a6-dc879a35b8c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012709
StatusPUBLIC

Content hashes

Canonical textc5fe157570678add980e8622393ea2cd69b97f09c0f18d506bf60caa3f38b961
Markdown660a1f392456fc095435b7476a732c472a3b21f8db2f43725806d4b6752717fe
PDF
Publication page5f3f6f8811898a22b5a47e61a0f807d8fde525f0f376cf25f1d714878518af04
Manifest23e4d5cf1f0f151238ea1d92d5eba5b95fe2921f76a3e68390e64e0c40f31b1e

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
SignaturekfWNByhjyNdHO47BRVgHViw10KzAmFun0QWNqrbxWGxTsBYDDx3UhVAXxuuk4HQfgPdaW3A8kgTUdcumF2XmBg==
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

2026-09-17T12:10:22.206886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012709
observed 5f3f6f8811898a22b5a47e61a0f807d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.184800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012709/manifest.json
observed 23e4d5cf1f0f151238ea1d92d5eba5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.152058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012709/publication.md
observed 660a1f392456fc095435b7476a732c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.117596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012709/publication.txt
observed c5fe157570678add980e8622393ea2cd...
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.