OpenTechnical

OT-2026-000053123

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000053123) never changes.

Identity and time

Publication numberOT-2026-000053123 · never reused
Internal UUID01a0ae84-a431-790d-b63e-7437b8f3c12b · 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-2026-000053123
StatusPUBLIC

Content hashes

Canonical text48e72c5c5eb34834f9db4902212d32a9b4248a7b6f84e7b3e907afaab7f81bba
Markdown33078b246e7aef5247164a81a7e0d06d8edb48dbec531c8f68fb7184b8aa110c
PDF
Publication paged32b23972f4fd43378676302563ebb5e948f7a1d43511afc29d86221f6abf7c3
Manifestee0e5aaf73bf08c4f8439d1e607ae221dc4585c9b02d9d22f20bcd7f2c78a0f6

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
SignatureT6yTl5YENMF7D+phYBuYtXVMCXpKP6rBLFfLt9f21iY+FIS1IwntF8xy9QhOSNbVsOOOYvvGAwyfM3zjqX6IBA==
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

2026-09-17T10:56:51.097411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053123
observed d32b23972f4fd43378676302563ebb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.079991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053123/manifest.json
observed ee0e5aaf73bf08c4f8439d1e607ae221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.062987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053123/publication.md
observed 33078b246e7aef5247164a81a7e0d06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.046288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053123/publication.txt
observed 48e72c5c5eb34834f9db4902212d32a9...
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.