OpenTechnical

OT-2026-000057135

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000057135) never changes.

Identity and time

Publication numberOT-2026-000057135 · never reused
Internal UUID01a0ae87-d5b9-7037-ab99-384a962dcb59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057135
StatusPUBLIC

Content hashes

Canonical textab3ee9e4b64a6723a8dc90d525886d5e5310d984c17787fb81678bf06d03113c
Markdown25cd6df5ca49ee2e92a95bb9bf65aa5790d8c3a6fb9340d7c5eb68b82c1d29e0
PDF
Publication page5295aca2b7d92885e43bdc3c16c61606e3888dd23ad5e9506d2372ac6ec678ff
Manifest3d084982537eea9e4c4db42d338da27f6ec4a5efc6cef5aba76f363ee02a18a1

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
SignatureJr6PlZynqHOCJwXB04UisocHjwT5l3wh73T+nslg5EOpQyjSwDb9VM23pFnw8he5D7Z4rdgCyQ6biPwSKvQHBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:06.885366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135
observed 5295aca2b7d92885e43bdc3c16c61606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.869051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135/manifest.json
observed 3d084982537eea9e4c4db42d338da27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.850208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135/publication.md
observed 25cd6df5ca49ee2e92a95bb9bf65aa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.830555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135/publication.txt
observed ab3ee9e4b64a6723a8dc90d525886d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.508613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135
observed 5295aca2b7d92885e43bdc3c16c61606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.491812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135/manifest.json
observed 3d084982537eea9e4c4db42d338da27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.474639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135/publication.md
observed 25cd6df5ca49ee2e92a95bb9bf65aa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.457839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057135/publication.txt
observed ab3ee9e4b64a6723a8dc90d525886d5e...
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.