OpenTechnical

OT-2026-000097289

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000097289) never changes.

Identity and time

Publication numberOT-2026-000097289 · never reused
Internal UUID01a0aea1-01ca-78d5-a9db-220114a6b6aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097289
StatusPUBLIC

Content hashes

Canonical textdd38523e655e7d42d0b773f74c91e4589215d47d6792986dab02d1f316fd63e1
Markdown8289269e2cdef79f33fbf0fc534daff8a53b6ed172f31db6be4c4cdf017cad61
PDF
Publication page2bdfc447a228e6eeef4c3988ef381c1dd753657116aa91fdfda628d162e38aa1
Manifest88d974c227bc81f5e2b7e1b312a1bc9359ae177e921190b3c197114e3a6dfb16

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
Signature+LBIJMvqDoSXL5pX0W5ktj3v/Jfbq26UF1SwNzECgvJiwLmyulSPLIAVIT85nGIJkxGBesuIHkkDPOQjwjWhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:33.249790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097289
observed 2bdfc447a228e6eeef4c3988ef381c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.234418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097289/manifest.json
observed 88d974c227bc81f5e2b7e1b312a1bc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.218392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097289/publication.md
observed 8289269e2cdef79f33fbf0fc534daff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.202489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097289/publication.txt
observed dd38523e655e7d42d0b773f74c91e458...
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.