OpenTechnical

OT-2026-000057616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after set-down, on a tool changer

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-2026-000057616) never changes.

Identity and time

Publication numberOT-2026-000057616 · never reused
Internal UUID01a0ae88-2694-778a-bdf8-b602c72c7b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057616
StatusPUBLIC

Content hashes

Canonical texte744b181a7a9423dc564acbda070f2a05de1a3e791ece42f481a68995237d47e
Markdownb4014324e2de22697ff054a0db7a177b6643f2745cded249cb49bb917fbb0ad0
PDF
Publication page6119b45ca27e42f4afb21ff3ef325d87410764da8e9c86b8fff5917b50eddfda
Manifestc3f6b8c648a828934b9e114354eef5c3d5df068e207884fc76508dbc38d3038d

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
SignatureeIvnjzS5aqOP0nDiqw01hqqh1S0tsaLHMQa2vgCO+2K38dVT+Kxm3qWX0RjWEFrAEg7s+lLRL54nylMtcLjTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:10.420695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057616
observed 6119b45ca27e42f4afb21ff3ef325d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.400574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057616/manifest.json
observed c3f6b8c648a828934b9e114354eef5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.378102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057616/publication.md
observed b4014324e2de22697ff054a0db7a177b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.359584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057616/publication.txt
observed e744b181a7a9423dc564acbda070f2a0...
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.