OpenTechnical

OT-2026-000054555

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000054555) never changes.

Identity and time

Publication numberOT-2026-000054555 · never reused
Internal UUID01a0ae86-1283-7cb8-bc18-012854646e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054555
StatusPUBLIC

Content hashes

Canonical text16dd85cb18ae52e82f19ed2063e1535319737457259d6f1cee7ea9cbd8ec6bf6
Markdownd42dfdf8bb2725555c99a54df6c4a7f14b997e1e30fb2edff5b14aacea3e4179
PDF
Publication pagea8d8d946b046659b3c54d1865df688d3fd53cd5b041e86de449983f27163f985
Manifest8b424772231f13418feee93b94bd50377f95c1f0842a5ded9425dccf60d81041

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
SignatureyfWfCO7TKykdEkVyQSHXvtXZGS1JYyyGA68M7pr/pmtDcP4jfwNR97A+tKn7uiI+2uwTLYsujai4cNoppOt/Dw==
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

2026-09-17T10:53:35.702493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054555
observed a8d8d946b046659b3c54d1865df688d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.683759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054555/manifest.json
observed 8b424772231f13418feee93b94bd5037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.666058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054555/publication.md
observed d42dfdf8bb2725555c99a54df6c4a7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.645332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054555/publication.txt
observed 16dd85cb18ae52e82f19ed2063e15353...
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.