OpenTechnical

OT-2026-000053325

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000053325) never changes.

Identity and time

Publication numberOT-2026-000053325 · never reused
Internal UUID01a0ae85-0a15-7989-8e82-ca93489d55d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053325
StatusPUBLIC

Content hashes

Canonical text6f8007d3571bb9201f99a24928d4c697406b57124dc7a8f8f7812ac171504129
Markdown01ad482f8bd817e13ec2abd6696fe3e06c7881b400b3b4e36ab1070d230a9b9d
PDF
Publication page0dccb4aa9f3ebbe9411a8d66a088368379b46b6d199b35e3017ebd8ae40a09ee
Manifest9830d51b8ddf9b26bc0067e89c8f4aebbfef957a3fce6306d116363f194f46bc

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
Signature/17TbhHyXvA3xiB8D9jYTJiPx55GHaXJkWiR478CBlqElebeNIzXMGfh9mx4hkSd0IZyeGJsBnE2u9bGgmdaDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:01.556838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053325
observed 0dccb4aa9f3ebbe9411a8d66a0883683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.540076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053325/manifest.json
observed 9830d51b8ddf9b26bc0067e89c8f4aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.428676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053325/publication.md
observed 01ad482f8bd817e13ec2abd6696fe3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.410498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053325/publication.txt
observed 6f8007d3571bb9201f99a24928d4c697...
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.