OpenTechnical

OT-2026-000039815

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039815) never changes.

Identity and time

Publication numberOT-2026-000039815 · never reused
Internal UUID01a0ae78-d8d5-7878-b99d-c2362d383e8e · 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-2026-000039815
StatusPUBLIC

Content hashes

Canonical text5d58e49a7c09215624666b66f36c0570677c1ce7737500409024a909d316a5e7
Markdown19df16f84119b6b9a591566ad55540937cfe91643dbed7b2fbd36762bec050c5
PDF
Publication pagefb609bd9716818ec457c0cd68c9d52b4d5be3850ab7b6d74753e90d7e2216e0c
Manifest399c2bd4115761a5bcc1d0b5e90dce5377d0ba875c40ad51f8f78c09fbc78174

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
Signatureb4ckIyRrfP+YhLuBsLts4oqH839AWxB1ybOImCaotaGD+IT/kUwX2uoq8VFuWUvF+RyLeqWWh+WR5j0mW4SbBQ==
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

2026-09-17T11:20:03.189178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039815
observed fb609bd9716818ec457c0cd68c9d52b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.173129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039815/manifest.json
observed 399c2bd4115761a5bcc1d0b5e90dce53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.156124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039815/publication.md
observed 19df16f84119b6b9a591566ad5554093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.139463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039815/publication.txt
observed 5d58e49a7c09215624666b66f36c0570...
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.