OpenTechnical

OT-2026-000052913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000052913) never changes.

Identity and time

Publication numberOT-2026-000052913 · never reused
Internal UUID01a0ae84-a42f-7670-ad8a-10490eca820e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052913
StatusPUBLIC

Content hashes

Canonical texte28dcf7e10e6c52434a094e75a7f46d21e4a08f4b2557acf70faec7485b2e08c
Markdownd96e11751135ecd4846b1ac802f822d5437652a29ebdaae28a68edca8b556fae
PDF
Publication page0221109d071c5f729fca281d0a79b0839269b04abff4ce10a4cc7fdb91541785
Manifest9788cd6878919b0075e3793f1f2acf4b46774867f813abf3336027f93b8e9960

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
SignaturezXm/XkxdgRYu24l4XQc0fge86nr1mbUIpmSFkylpdsmnfNBC2okxiuRzsLWTkFm4WfrRus7wCytTftRr3kCDAg==
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

2026-09-17T10:56:33.465340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052913
observed 0221109d071c5f729fca281d0a79b083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.446780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052913/manifest.json
observed 9788cd6878919b0075e3793f1f2acf4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.427198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052913/publication.md
observed d96e11751135ecd4846b1ac802f822d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.409164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052913/publication.txt
observed e28dcf7e10e6c52434a094e75a7f46d2...
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.