OpenTechnical

OT-2026-000100072

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100072) never changes.

Identity and time

Publication numberOT-2026-000100072 · never reused
Internal UUID01a0aea3-1474-7df5-aeca-e1b58f824c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100072
StatusPUBLIC

Content hashes

Canonical text413f4bb6f7b38ee30bc60294476fd279e4658dccaa18b9f20bcc0076f505d572
Markdown87d6380911767da57fe6651fa29c05666156e6a93ff13d27fd12a42efd6db297
PDF
Publication page1855ff3ac56eee2aafefdcfb6cc28be194b11954148289c904eb3b28c418701f
Manifestb7065e96af7769096944b3af6c40cb6de3237075ac0a21583107c90c60774a92

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
SignaturevhR8IvI/cxKHhBUaov5MfLrQStPxtAamOJRDUApNfk4S6HhFtqVO7Nvq/sfOHZOy65aINkwPy+NM6JDIEHbfAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:01.242888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100072
observed 1855ff3ac56eee2aafefdcfb6cc28be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.225663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100072/manifest.json
observed b7065e96af7769096944b3af6c40cb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.200258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100072/publication.md
observed 87d6380911767da57fe6651fa29c0566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.178628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100072/publication.txt
observed 413f4bb6f7b38ee30bc60294476fd279...
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.