OpenTechnical

OT-2026-000075060

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075060) never changes.

Identity and time

Publication numberOT-2026-000075060 · never reused
Internal UUID01a0ae93-ac2e-7fde-9520-5e2cd06dc1a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075060
StatusPUBLIC

Content hashes

Canonical text36d240b3387915e288796a935a25400593c9bd71ae3afda65f31122f9c979702
Markdowna7af41c91aeb1eef3ffbb30f564ff8fac7988f644164361dad8237b185ab4b93
PDF
Publication page967345c6bf92ddcd1ccbf3e8e5757dda27cb39de4a47bd1c3a81e1e7bd8d435d
Manifest1e44eb7e4a49dbf14c90c96f46cce604d4c3df098cdeccb51aa706b9d74220ca

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
Signaturex8nEnT3gZdivQ8aFP3jKWuyUgEXVu9JOIM+44DaWu9Wn1CAmv6TWEPdGPq1GsXnv2TPkaeCrtFKRot4mhsNaCA==
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

2026-09-17T10:18:52.762086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075060
observed 967345c6bf92ddcd1ccbf3e8e5757dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.745679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075060/manifest.json
observed 1e44eb7e4a49dbf14c90c96f46cce604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.729860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075060/publication.md
observed a7af41c91aeb1eef3ffbb30f564ff8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.712827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075060/publication.txt
observed 36d240b3387915e288796a935a254005...
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.