OpenTechnical

OT-2026-000086556

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000086556) never changes.

Identity and time

Publication numberOT-2026-000086556 · never reused
Internal UUID01a0ae9a-2c98-7e39-9b28-50b2b99e3d35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086556
StatusPUBLIC

Content hashes

Canonical text0dfe11eae5bc0d868ec16097ae1fab8949ae988949787a429ee716f2dd9a8dfe
Markdown2bc6cf17ec6f63380799c8648edb7cca52977a5bf4dd32cef79e5ab2c7182e4f
PDF
Publication pagef573af040b07d9635ffc892dfb5d6d765ddf7fe73ddfe4839bd4f0abee3ef795
Manifest4a9c5efbc5c6c66cfa7026fd763dcfba79945fdb1c4b5acc9b96f301f01c41d6

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
SignatureZl6G7sxjNli/H+8XVQOXkt0bOHwfjVWYiJzQ4tlU7R9K6vpFUzR9MhRmiPZ/ZNRgwDzkWD9U1cqSusVTMRK7Dw==
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

2026-09-17T09:52:23.393497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086556
observed f573af040b07d9635ffc892dfb5d6d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.375953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086556/manifest.json
observed 4a9c5efbc5c6c66cfa7026fd763dcfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.358014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086556/publication.md
observed 2bc6cf17ec6f63380799c8648edb7cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.340898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086556/publication.txt
observed 0dfe11eae5bc0d868ec16097ae1fab89...
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.