OpenTechnical

OT-2026-000032728

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000032728) never changes.

Identity and time

Publication numberOT-2026-000032728 · never reused
Internal UUID01a0ae75-1071-7c95-8177-10cdf88fb55c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032728
StatusPUBLIC

Content hashes

Canonical text8dfc6f2742b32a01eb0ff90c1d609ac167d5f1711653efb0bfb0c7885bc67d04
Markdown27af6fc18aea79cd09bfc84c777ddf996f2839238a4b92c29e96673718c1681d
PDF
Publication page194e148ad060254aa0d7a1c39adbec11fc9eb59e07ba9d565ba24d88ad8e799a
Manifestb19eb80392127dcd015c37bed5f511c02d82288500d8552e899009ce990e6d8a

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
SignaturezPDVFdtFLIGtdNdGqSZv/rX5irALOmNb906rkYmEKvLi5dKTFY5i2YO4rb+8+NQf2QdEy43b21gPmvpIk0jMBw==
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

2026-09-17T11:34:20.863070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032728
observed 194e148ad060254aa0d7a1c39adbec11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.845904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032728/manifest.json
observed b19eb80392127dcd015c37bed5f511c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.826609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032728/publication.md
observed 27af6fc18aea79cd09bfc84c777ddf99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.809015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032728/publication.txt
observed 8dfc6f2742b32a01eb0ff90c1d609ac1...
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.