OpenTechnical

OT-2026-000098256

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098256) never changes.

Identity and time

Publication numberOT-2026-000098256 · never reused
Internal UUID01a0aea1-e964-7844-a080-ef2ad5ad56cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098256
StatusPUBLIC

Content hashes

Canonical textb7549b571d4c87f5ad0cca24fccc363ec54da0c1e721ba5c114944c3e2334236
Markdowncb05b382d7624fbca38d3edc37e0e1f99ae75de3ed7f35e87d8dca9cc76c72ab
PDF
Publication paged8db2a1e19d765dbb4e6a23e2150174018d1936e9a3c6037760def20b2db0e8e
Manifest6fb67a0807c9e23aa17c029e1026536ae52929412f1aea2ac7f127427f77fc54

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
SignatureIYis5wvuSBwSARqZi29eR0BR1wF9JX56eoKxg7hyx4ZjDvXFanJeC4Mii/VmerPvFbfW2hOzE3p5VQ/gUc1AAw==
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

2026-09-17T09:31:26.645116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098256
observed d8db2a1e19d765dbb4e6a23e21501740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.625710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098256/manifest.json
observed 6fb67a0807c9e23aa17c029e1026536a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.607185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098256/publication.md
observed cb05b382d7624fbca38d3edc37e0e1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.589167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098256/publication.txt
observed b7549b571d4c87f5ad0cca24fccc363e...
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.