OpenTechnical

OT-2026-000078561

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078561) never changes.

Identity and time

Publication numberOT-2026-000078561 · never reused
Internal UUID01a0ae95-7c29-7d65-bdce-7771514bc3c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078561
StatusPUBLIC

Content hashes

Canonical text70f7b5ce374d9ab178a0b1053adc29cf7f37f0670c74c3cb63aca7e4af4d3f16
Markdown2130a837677f0ba597a422dd57c98adce27b333775df20083441b5f729d188e5
PDF
Publication page39a54f8e5558fed1690b0b0a35495a70ce781873438a34600caf28a41cd894a9
Manifestec8dc283d6116297091bd075e92164eabf51767163d5a68640aa89a9baf6869d

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
Signaturee5QT+zpBq3vxRxf/s/dmVao7NODjCE7E69zuaTDZVMQXMt5gYnU2WGz0DKoAfAyemWm/eY28ZL+o71HteM45Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:35.066989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078561
observed 39a54f8e5558fed1690b0b0a35495a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.047615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078561/manifest.json
observed ec8dc283d6116297091bd075e92164ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.028908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078561/publication.md
observed 2130a837677f0ba597a422dd57c98adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.009779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078561/publication.txt
observed 70f7b5ce374d9ab178a0b1053adc29cf...
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.