OpenTechnical

OT-2026-000039785

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000039785) never changes.

Identity and time

Publication numberOT-2026-000039785 · never reused
Internal UUID01a0ae78-d8d5-7654-a349-459e499f739a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039785
StatusPUBLIC

Content hashes

Canonical textb2a03f872b9208a15df9538258a8ee53b5b98e56ed2c0fd4c43f8400c8b74842
Markdown1af7e11135b9b556eacde56b861785badd13d0bae067d12cb60b1fd2677fd11f
PDF
Publication page7de553d8990bc3ec0f4942f26b2e510f42465049961b7de3a3e82bb5f5f286d3
Manifestbda2b77de254f898fbef6cdbb1eb5f52cb417ed4f244a2615067105e52d4008a

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
SignatureOHWK/TBDnb/LuFkCZ23waPdu6qMoyx9/Bw6ExBovmlnaSXdLW1A9kx8Iq3yov0aiQhLa8NMvEhc3G1pLkC0NCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:00.655963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039785
observed 7de553d8990bc3ec0f4942f26b2e510f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.636421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039785/manifest.json
observed bda2b77de254f898fbef6cdbb1eb5f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.617969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039785/publication.md
observed 1af7e11135b9b556eacde56b861785ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.599388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039785/publication.txt
observed b2a03f872b9208a15df9538258a8ee53...
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.