OpenTechnical

OT-2026-000086084

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000086084) never changes.

Identity and time

Publication numberOT-2026-000086084 · never reused
Internal UUID01a0ae99-e82b-7943-81c6-f23d690970b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086084
StatusPUBLIC

Content hashes

Canonical text632644dd7b7dd52b8c096392792feb36b49c19f792a85f1ee8326a3a5931c32a
Markdown264c9c1afba8690e6ea6b33b0614e4a3a81ba2ab54718d864282a3a08c119f89
PDF
Publication page36ed4d4b6a0a4cf0c138a3a63efa05f5bf7fb9da81ca827d931417cb602ee714
Manifesta8a2dfd5153f4fbd7ce3b87010eac4dde258a3e095f6436154411f223f99b7ff

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
SignatureEQzcXj/Q7bSZjPEmWK4dcgx8xHk4EjI/QZMbCaCegXwiKdaWZLgJ/MeCyv9fYO82RKdMg2nauhbgJc0zM5JQCQ==
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

2026-09-17T09:53:43.717529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086084
observed 36ed4d4b6a0a4cf0c138a3a63efa05f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.698487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086084/manifest.json
observed a8a2dfd5153f4fbd7ce3b87010eac4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.681237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086084/publication.md
observed 264c9c1afba8690e6ea6b33b0614e4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.661963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086084/publication.txt
observed 632644dd7b7dd52b8c096392792feb36...
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.