OpenTechnical

OT-2026-000062734

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented after 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-2026-000062734) never changes.

Identity and time

Publication numberOT-2026-000062734 · never reused
Internal UUID01a0ae8c-6389-797f-bc82-ebf48be68542 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062734
StatusPUBLIC

Content hashes

Canonical textb7a42b1df0daa0d43e6c081c49fd874d430269fb28943c9912695ac503053e96
Markdown621e1df59dbb97d46917694e2b202735b4a0c289000aed6501f50878d840a35d
PDF
Publication page0db72d4dcbc43ff8139e4ee4652009f9ead657f0672b98bc7eb8941bfc583276
Manifest267a51feffbffd2eacf9bb6df82665fcee07b4c2e13134bca05a5d147d137c99

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
SignaturevcferJbB+8i4nIMba/ChlXanSf9SRY+2On45exrjYBQ6P37UDRdE/6G0SXoNar8uujIqY4/MJ3g8HIy2IH06BA==
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

2026-09-17T10:39:18.503416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062734
observed 0db72d4dcbc43ff8139e4ee4652009f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.485703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062734/manifest.json
observed 267a51feffbffd2eacf9bb6df82665fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.467868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062734/publication.md
observed 621e1df59dbb97d46917694e2b202735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.450211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062734/publication.txt
observed b7a42b1df0daa0d43e6c081c49fd874d...
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.