OpenTechnical

OT-2026-000087469

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000087469) never changes.

Identity and time

Publication numberOT-2026-000087469 · never reused
Internal UUID01a0ae9a-cd51-7cd0-8a35-e02e326beb17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087469
StatusPUBLIC

Content hashes

Canonical text1710ee5c03332d82447709cc04f52f431beaf85a693a5765495ce40100a26b8e
Markdownd82ba65732480c3f25c404a08cc84fc06ecc11f6dae62b12b60f708730c1ee75
PDF
Publication page554fb41ee256a86b3eed75e06f937fcd9baf01a188fd0282779996c9aa9b9b9d
Manifest6bc47a65efb82490074c5d2ac20f3d21e77aa95669e4feacae1f8e0831efd7c5

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
SignatureJxHv0UZcR2MqyfkYt5y13z451kGAA1kB2A1MAc1GNGY4JcqnMhaYfpAPszhE6XrVngJwFoW4AKnlEdjbGyKeBA==
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

2026-09-17T09:50:47.842085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087469
observed 554fb41ee256a86b3eed75e06f937fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.825292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087469/manifest.json
observed 6bc47a65efb82490074c5d2ac20f3d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.808913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087469/publication.md
observed d82ba65732480c3f25c404a08cc84fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.791419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087469/publication.txt
observed 1710ee5c03332d82447709cc04f52f43...
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.