OpenTechnical

OT-2026-000057755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000057755) never changes.

Identity and time

Publication numberOT-2026-000057755 · never reused
Internal UUID01a0ae88-6ed7-78fa-bd46-3f7e952175c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057755
StatusPUBLIC

Content hashes

Canonical text81eae3f10d977e4894278a8e9297b61c4b8488a5a76471066ac79b496b89050f
Markdownb202b38d556e0c9141a25c8b6b053a573a92566273705338da2250fa900aaf3b
PDF
Publication page7c6a3d466445726aeed29c3b6c0d53823ac4ab24e030b408399540920e98782a
Manifest0dcd2923bd6987081a49f38821ec63f0977bddd14407a27e9c8acd0c0f68e972

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
Signaturext+iLfoAbdBGzTE0Bpa9KT/fhjNH8spnIqj5CO45fP4a8kw4TWYiq7UP4y3I0jx9e7yDtVyp2rqmyxU2HL2QAg==
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

2026-09-17T10:47:17.944988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057755
observed 7c6a3d466445726aeed29c3b6c0d5382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.925928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057755/manifest.json
observed 0dcd2923bd6987081a49f38821ec63f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.904941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057755/publication.md
observed b202b38d556e0c9141a25c8b6b053a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.885468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057755/publication.txt
observed 81eae3f10d977e4894278a8e9297b61c...
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.