OpenTechnical

OT-2026-000054259

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000054259) never changes.

Identity and time

Publication numberOT-2026-000054259 · never reused
Internal UUID01a0ae85-b3a9-7940-8532-60fe045e9a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054259
StatusPUBLIC

Content hashes

Canonical text2cc423094f672ecaf7fb4ae190d9009280115f68fde29e27477e02022f8ff202
Markdown325d2ff2e0cc328c66f19ea467e9e1016250dce0dffe94153d136bcd31f5dcda
PDF
Publication page57bc9b57e69996055fb41732a8d704a78f2de3c9f9002c06a9309b1c21f72f60
Manifest8e812d4b9a890a0bcf6bd7763b5b2dbdbbf57cb2baa7753861b4349e97a325f1

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
SignatureDlaIjFWzJOKTFB/ossbMLWfQLqDsnAWFnP7svoYRzhhDm9zuNkeBtVExJI45rjhMaf46+5XI+bQICW5bkQTLDQ==
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

2026-09-17T10:54:44.848673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054259
observed 57bc9b57e69996055fb41732a8d704a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.828697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054259/manifest.json
observed 8e812d4b9a890a0bcf6bd7763b5b2dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.807797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054259/publication.md
observed 325d2ff2e0cc328c66f19ea467e9e101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.785805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054259/publication.txt
observed 2cc423094f672ecaf7fb4ae190d90092...
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.