OpenTechnical

OT-2026-000042707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042707) never changes.

Identity and time

Publication numberOT-2026-000042707 · never reused
Internal UUID01a0ae7a-c0cf-7046-84e1-35b7a46377db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042707
StatusPUBLIC

Content hashes

Canonical texta64b56010a6b47e99ccf5d6cd9ec11ef2e0b622105b5915cdeafb1d7e1e4a18f
Markdown1a11a3897a4607e190ddd6907f448521de5ae9bf8258082de6e21ba072a61d28
PDF
Publication page8711130d659ab7be7309237926e2a2842e1b00a6ba5308adaf8c74743d02e3a6
Manifest76650acd8b6855ba212ca7d77d025fe23b0ab1ca572891d757354d92562bf4a5

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
SignatureGPsIh5MUoNQukGtb4sDyX4mcrWU44NuTCmZypXYMoB+Z+8fRddcRq02ZUw4L/kU5VHyLv14RLVcaU4SQ+VytAQ==
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

2026-09-17T11:15:04.123762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042707
observed 8711130d659ab7be7309237926e2a284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.099220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042707/manifest.json
observed 76650acd8b6855ba212ca7d77d025fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.077557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042707/publication.md
observed 1a11a3897a4607e190ddd6907f448521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.058239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042707/publication.txt
observed a64b56010a6b47e99ccf5d6cd9ec11ef...
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.