OpenTechnical

OT-2026-000006118

Publication integrity record

Porous face vacuum gripper, common isolation valve, two outlet manifold, plant vacuum fed, open 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-2026-000006118) never changes.

Identity and time

Publication numberOT-2026-000006118 · never reused
Internal UUID01a0a94f-f6a5-7edd-8701-7af7a043d166 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:05.129019Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006118
StatusPUBLIC

Content hashes

Canonical text6b354ed1c8c6032df7d7a85c132fe96bf98b12e99667b86e04325fc474ad6642
Markdown09e7004a628ccc5d6f9091648a954014ae826071e2bc3b43804cfe7916a4524d
PDF
Publication page6149003ea85b77cdc906d52d1fccd1865229813511189638b4f21c6ee1c2615a
Manifest2b6c3c574156b416d0398a1bcbf4f2affb13f9d0aef28921cb77efa6cb70ff5e

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
SignatureIRSzJ8lz4eTQHRfzb11xR+Ff5tALrj06QNUOUH7ciVJ5J/v5G0IqwbnIV4kFGc0Og/HQvV70qLDy9b8vX0IHAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:25.455899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006118
observed 6149003ea85b77cdc906d52d1fccd186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.440529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006118/manifest.json
observed 2b6c3c574156b416d0398a1bcbf4f2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.427035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006118/publication.md
observed 09e7004a628ccc5d6f9091648a954014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.413220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006118/publication.txt
observed 6b354ed1c8c6032df7d7a85c132fe96b...
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.