OpenTechnical

OT-2026-000090270

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000090270) never changes.

Identity and time

Publication numberOT-2026-000090270 · never reused
Internal UUID01a0ae9c-4290-7d9e-9c5a-581b6b9e7bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090270
StatusPUBLIC

Content hashes

Canonical textaa8aa1a02362e064730f68019a98865b976f8e0dfa64ce8a6423ccc44dc1f2c3
Markdownf886d2d8eef8c63cb8e081cc27851642c0f07da5f98ff2db4b3152d8169e871d
PDF
Publication pageb443864d4ee09a9c76382622127ba2fccd887f3ab28863604d45daed1034f831
Manifest6d66d7fd252027175b3407afb44aaf1d5a877fbf4dcd59a31e748da9c16430cf

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
SignatureFLtL/TiziV7T3wc8wXLujH9o8DRJWEllPmj8o4QoPak6c9AfHgkMb+APGkv3kjiLTQiK1oqdn76TjUIE+ERJAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:21.053040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090270
observed b443864d4ee09a9c76382622127ba2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.034405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090270/manifest.json
observed 6d66d7fd252027175b3407afb44aaf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.016044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090270/publication.md
observed f886d2d8eef8c63cb8e081cc27851642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.996203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090270/publication.txt
observed aa8aa1a02362e064730f68019a98865b...
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.