OpenTechnical

OT-2026-000087836

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000087836) never changes.

Identity and time

Publication numberOT-2026-000087836 · never reused
Internal UUID01a0ae9b-1aa5-76a9-86cf-d104e8fa98f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087836
StatusPUBLIC

Content hashes

Canonical text4d85b00d1336a64b245864f8186bdc6d3fb1d082310d655d244a7c924a2539f5
Markdownca1ff3e58c9ec91181149e6878446756fe779239b107222166114fe87168dc7a
PDF
Publication page71b3dde397196c20aa62bfa351af719869c5da4d1051163b4bccc9e0fe062d8b
Manifestf1de226091a5185f941eb0de5fdacb40e76157ec851198b5907e1397a2cda0ac

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
SignatureCd8jCHVosmglsKC0rWk4V1tHSaqgc2LZXrgcqeHyZ6dv0mhC1s3B3MAL8JkD3Cbd7VFHdRRMKYyc0nmEaXV8Cw==
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

2026-09-17T09:49:04.665038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087836
observed 71b3dde397196c20aa62bfa351af7198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.645877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087836/manifest.json
observed f1de226091a5185f941eb0de5fdacb40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.626517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087836/publication.md
observed ca1ff3e58c9ec91181149e6878446756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.607624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087836/publication.txt
observed 4d85b00d1336a64b245864f8186bdc6d...
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.