OpenTechnical

OT-2026-000053375

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000053375) never changes.

Identity and time

Publication numberOT-2026-000053375 · never reused
Internal UUID01a0ae85-0a8f-7796-9d3d-3980ef728c57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053375
StatusPUBLIC

Content hashes

Canonical text4a374788739e4ab1d3cb2ea47db412832e975239879e808fb7a885295e5de94c
Markdownb5bae10fb65f335e5e4c56e431cc8b08e6c154210e6c037eb356bd0c34e31a42
PDF
Publication pagea6a01981ef6c336fba15698ab5a1e4ef4057e17a5302b3758a2538b90907e5ad
Manifestbccd8130bece6a66aa960f8abd168da4414bdb8081d5f392e1173402e3db9f7b

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
SignatureMPMVqZVaSo+ltNHV6vQCd2Iddf7NuyKAbJd+vyNOFgS/3xR3dJNxGhbTvZ1AgErTl+3a8L4YYAI+2rjwInkIAw==
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

2026-09-17T10:55:05.667045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053375
observed a6a01981ef6c336fba15698ab5a1e4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.649582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053375/manifest.json
observed bccd8130bece6a66aa960f8abd168da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.630954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053375/publication.md
observed b5bae10fb65f335e5e4c56e431cc8b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.612470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053375/publication.txt
observed 4a374788739e4ab1d3cb2ea47db41283...
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.