OpenTechnical

OT-2026-000053511

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000053511) never changes.

Identity and time

Publication numberOT-2026-000053511 · never reused
Internal UUID01a0ae85-0a92-7d9c-a90c-01947d168131 · 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-2026-000053511
StatusPUBLIC

Content hashes

Canonical textce9bfc27dfc447f4901f01c2919ebcb5d29a8f7b5a76a4bc4601be71c354264f
Markdown186e0a8455e500ad947f2a4e0718c8140059ccce39346665f49319f96e66ceaa
PDF
Publication pagec182d5113a24954df18bbe9ff7e43d63697665eba0e71c7e8cfedee74820b120
Manifest5eb08155efaf5b26ec0297a56ab50193715de8bc17e2adbce2e73b1d79c9e56f

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
SignatureA/uCthg93TPgwx/87m3pkwvQYyzRE1wtXh6ZqDiVZW3Qc9T3N+w3Q8YH3b1Sj9OiHSHsEAzNhl6F/HmlNIVSCQ==
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

2026-09-17T10:55:21.377464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053511
observed c182d5113a24954df18bbe9ff7e43d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.360527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053511/manifest.json
observed 5eb08155efaf5b26ec0297a56ab50193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.341858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053511/publication.md
observed 186e0a8455e500ad947f2a4e0718c814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.323358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053511/publication.txt
observed ce9bfc27dfc447f4901f01c2919ebcb5...
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.