OpenTechnical

OT-2026-000087784

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000087784) never changes.

Identity and time

Publication numberOT-2026-000087784 · never reused
Internal UUID01a0ae9b-1aa4-7640-8dc0-f511f1889225 · 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-2026-000087784
StatusPUBLIC

Content hashes

Canonical text28ed1f7ad889cfa80df942112290a0b8df46d4bc2749ece347b9ec25f8d9fef9
Markdowne2a67a341965435ba4c172d7b8c0ae4cc16462d2278be72ced2687091232465e
PDF
Publication page5da89e151956cd1b12145d1d67612336cc4a9c54590f8317e4c6c61c063481ce
Manifest637da80333056e70d15a04e79c24b66cce7a239658ebebd6dc6d830fd4473c42

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
SignatureGXSBMFTZGWwPb5m6pmPLc4jomEAQVPSc1G+tu6tqGMiulvXINqVtz+xbZcOSCFG2mTciWdrcyGMiIMUmA9SGDw==
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

2026-09-17T09:48:56.270196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087784
observed 5da89e151956cd1b12145d1d67612336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.248886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087784/manifest.json
observed 637da80333056e70d15a04e79c24b66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.229394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087784/publication.md
observed e2a67a341965435ba4c172d7b8c0ae4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.209143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087784/publication.txt
observed 28ed1f7ad889cfa80df942112290a0b8...
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.