OpenTechnical

OT-2026-000006355

Publication integrity record

Porous face vacuum gripper, two outlet manifold, three stage ejector, pressure verified, closed cell

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-2026-000006355) never changes.

Identity and time

Publication numberOT-2026-000006355 · never reused
Internal UUID01a0a958-18ca-7f18-b65b-6c10edc97afb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:58.157615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006355
StatusPUBLIC

Content hashes

Canonical text03b99242099a8a0353f7ce39cf05912fa41e20cb1fad8b21b603e4e4fac4f2d4
Markdown24b1118cc7015d7434dc133da3fdcafefb2f3e4f3022b76121da5585c56882b2
PDF
Publication page33382c2fb9c0eb53d32055990e7fefcca1be30686bef7603fe0aadbad0c305e6
Manifest55cc7c45f0d414ff8f20433507eee85bc9a007e9e06a35b2dc3c5411372d00e8

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
SignatureZpNtdaNVWz8Qnhvujt+Z2e1c2bnk+UXfNbfrcZQ82BDD6IIMSD572ytTMZBgG6f4Ht9NBP1kvNiNp1vunJLzCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:27.696076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006355
observed 33382c2fb9c0eb53d32055990e7fefcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.654807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006355/manifest.json
observed 55cc7c45f0d414ff8f20433507eee85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.639951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006355/publication.md
observed 24b1118cc7015d7434dc133da3fdcafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.626239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006355/publication.txt
observed 03b99242099a8a0353f7ce39cf05912f...
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.