OpenTechnical

OT-2026-000081411

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000081411) never changes.

Identity and time

Publication numberOT-2026-000081411 · never reused
Internal UUID01a0ae96-f375-74df-bfb9-091baad97228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081411
StatusPUBLIC

Content hashes

Canonical text6972d33337cedd792f31d400a99f1a00f4a81b805c81988f9ec907387fe2a370
Markdown1d3133acd95cacdb6e01d095fe6b8d7dec826475e2ab13812ea79a0dc2fd4d88
PDF
Publication page4f5735e1464e13cb50861bf94cc88e1473cb953c74cb83ef1d61ae9b69babad3
Manifest4a66f0a9b8bd9150bfe28591336ff50c6e38ce841f6448c79c940598c69ace67

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
Signaturehj8OwLHrVipGtQIkyRnR+fNl0GfTdpmPGuEvt8wfYYqt5s/ZP8dOJTDK/x1IMEtngSWVuA5/YinqqSyjFkDoAw==
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

2026-09-17T10:01:33.648699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081411
observed 4f5735e1464e13cb50861bf94cc88e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.630198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081411/manifest.json
observed 4a66f0a9b8bd9150bfe28591336ff50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.611767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081411/publication.md
observed 1d3133acd95cacdb6e01d095fe6b8d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.593550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081411/publication.txt
observed 6972d33337cedd792f31d400a99f1a00...
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.