OpenTechnical

OT-2026-000022132

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000022132) never changes.

Identity and time

Publication numberOT-2026-000022132 · never reused
Internal UUID01a0ae6f-f4fb-784a-943f-4bcbbe628bdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022132
StatusPUBLIC

Content hashes

Canonical text3ff95159c6345e57645262e59c2ccb70ccbf4e90c9d4dfc72108e4f27ad42d2f
Markdown70caf4e01e8027b9e6b40acaf8154166af1b64b43ff3f5d7697f7934d349c9af
PDF
Publication page2eccf50111f25ade1752d5603f34cb46cc6078e38f11ac7170dccd109a81414b
Manifestefc351442cbb3ed8ef393e2ca318703a7db6a38a56507783459cd52ca51c61fd

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
SignaturebdyYtP07aBPopy0hBlvAKM9x3X15NzZmBbxpLGzW6xVaNB413HmZcHseMoUE4bGheY3CzjHGUY8K8Sm7J4cHDg==
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

2026-09-17T11:52:48.266164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022132
observed 2eccf50111f25ade1752d5603f34cb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.247634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022132/manifest.json
observed efc351442cbb3ed8ef393e2ca318703a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.231276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022132/publication.md
observed 70caf4e01e8027b9e6b40acaf8154166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.214423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022132/publication.txt
observed 3ff95159c6345e57645262e59c2ccb70...
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.