OpenTechnical

OT-2026-000012265

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000012265) never changes.

Identity and time

Publication numberOT-2026-000012265 · never reused
Internal UUID01a0ae6d-39f5-715b-808a-0c82cfdc6d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012265
StatusPUBLIC

Content hashes

Canonical textdde07f538b2a39b1454932f299af89bbe54326dd630e3fb5525f91ab73219cd9
Markdown1831562a9838b739904c696f5a5e41fd61e147667e64135d8b8d4803fcb454c1
PDF
Publication page77957a33371690266d2819712b349ec14578ab0fbfc36a98abe69aaecc501ca7
Manifest6266520a79e7bc898ff2ba6f52044bd48d2836fb058bcb4eb68e735b233cc875

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
Signature2PjBhcs1FztyEniXpTbUsjvsNaQPKLZ1GBCMStmSlftX4KTv55+ybd3v9yTS6i3PLMzpJoDGu0qoIKMxNjYFCg==
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

2026-09-17T12:11:11.957376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012265
observed 77957a33371690266d2819712b349ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.938806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012265/manifest.json
observed 6266520a79e7bc898ff2ba6f52044bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.919820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012265/publication.md
observed 1831562a9838b739904c696f5a5e41fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.898963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012265/publication.txt
observed dde07f538b2a39b1454932f299af89bb...
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.