OpenTechnical

OT-2026-000043031

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000043031) never changes.

Identity and time

Publication numberOT-2026-000043031 · never reused
Internal UUID01a0ae7b-3278-740e-a4af-156d591e3f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043031
StatusPUBLIC

Content hashes

Canonical text8477fd008d7f14aa28ee62260bf1aff2a3ef3f9354642f0b2b9e369b39cb782c
Markdownf59029f2f36a9f60bc5e65e6a3457916d63c53fd573c5baf5dfc307a7bb6c915
PDF
Publication pagea167305dd67d50a24caf860023508ffcdf6a3b8ed35c2db8ce8e168f2df1a682
Manifestd43728dd43cd1ab456655da639118ca5981b391a90b82c2e2a34ce1007b1d025

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
Signaturek83R9AE703MVzHRhcxoTp6qEHL+Rcy7ubdtd4FfarI3xboOqf3vxvIkjYeOkLRpP/xnBhB8Rp6E3w3j9x2XQCg==
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

2026-09-17T11:13:20.954154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043031
observed a167305dd67d50a24caf860023508ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.934113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043031/manifest.json
observed d43728dd43cd1ab456655da639118ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.913818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043031/publication.md
observed f59029f2f36a9f60bc5e65e6a3457916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.893488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043031/publication.txt
observed 8477fd008d7f14aa28ee62260bf1aff2...
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.