OpenTechnical

OT-2026-000029955

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000029955) never changes.

Identity and time

Publication numberOT-2026-000029955 · never reused
Internal UUID01a0ae73-ac48-7a36-9f12-ee31898d75fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029955
StatusPUBLIC

Content hashes

Canonical textb682f72f1da9208985499ef5c39e09d4a36c15de4d6fffe830b92b7e8a2f32b5
Markdown78f20e672cfd275c148624d8589b996d773552200e7b7d917ffd66d823691910
PDF
Publication page2a84772fa578dbba26285464da69928f2944dcf99d6795deb060a3dbb3f28f81
Manifest0fc37a08dc457caa32e2a33c07825143f2bed1d4c7c7be57e6ede9053b88d154

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
SignaturetDq3fO3Bz8MIXOBSjf+eLqioJ7FV5zu1GCNbTk3ODNvVUMIKgLqRaiYY/KM0GdRHjoHB0rymtIgHa32DbYfeCg==
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

2026-09-17T11:38:40.212400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029955
observed 2a84772fa578dbba26285464da69928f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.193686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029955/manifest.json
observed 0fc37a08dc457caa32e2a33c07825143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.160061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029955/publication.md
observed 78f20e672cfd275c148624d8589b996d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.133129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029955/publication.txt
observed b682f72f1da9208985499ef5c39e09d4...
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.