OpenTechnical

OT-2026-000013381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000013381) never changes.

Identity and time

Publication numberOT-2026-000013381 · never reused
Internal UUID01a0ae6d-6fca-79cd-9edd-6fab72e6976f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013381
StatusPUBLIC

Content hashes

Canonical text871dc185aff4a9a38b78d867b72c9a566e5c22d53dc1a2be6e9450e0e998bd3d
Markdownb90525005381b7002bd6a5ab7b16adc450f487fbb6f23e4b49055c8366e9bf39
PDF
Publication pageab00409610b3a4143bf54006c5bc1ffc198eb4a32e88773b5e2d362c87817308
Manifestb1702731bab72a6f1ea8a73c67366554038be649702ebf1dd123ee523a7a6031

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
SignatureNviMML7bfbfr1oOVwKR76adYNln3vaWjJuiO/zVjXlioE+shWH+Bav4NLJYg7K3/hPMtcY08LvkRza01EwLqBg==
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

2026-09-17T12:09:50.924363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013381
observed ab00409610b3a4143bf54006c5bc1ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.903942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013381/manifest.json
observed b1702731bab72a6f1ea8a73c67366554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.884004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013381/publication.md
observed b90525005381b7002bd6a5ab7b16adc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.865452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013381/publication.txt
observed 871dc185aff4a9a38b78d867b72c9a56...
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.