OpenTechnical

OT-2026-000053115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000053115) never changes.

Identity and time

Publication numberOT-2026-000053115 · never reused
Internal UUID01a0ae84-a431-7f28-8b7c-3770f639b3f8 · 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-2026-000053115
StatusPUBLIC

Content hashes

Canonical text38d7d4629a58b37aca658c4852436c4ffb0b91b3c5d0bb19aae1fc255ebf652f
Markdownbad1cb66a94c055d90ab94d71dda94b2926d1f77f979a50a2e28307a37a90c09
PDF
Publication pagec0af1d545f75e3da6edf0a7ef2325121401e9f2930c95c08e363a2a67df67694
Manifest0b33aeb45a425e865a5b79c31a04b2099ae92e5245a100d718c330750a880a60

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
SignatureyZxwu6gAZ7MBMSMTT/HoNOWP29r8f3u9XS9/0kDEC8jc0TDt1sy1FStxWdkRYNFIcyw+JUie4VVNRRX804IABw==
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

2026-09-17T10:56:50.476936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053115
observed c0af1d545f75e3da6edf0a7ef2325121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.458285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053115/manifest.json
observed 0b33aeb45a425e865a5b79c31a04b209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.438596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053115/publication.md
observed bad1cb66a94c055d90ab94d71dda94b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.420908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053115/publication.txt
observed 38d7d4629a58b37aca658c4852436c4f...
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.