OpenTechnical

OT-2026-000040644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000040644) never changes.

Identity and time

Publication numberOT-2026-000040644 · never reused
Internal UUID01a0ae79-6d0e-7b9c-867f-ae40f2e98338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040644
StatusPUBLIC

Content hashes

Canonical text89575b046475fc8993fbf5c0feaea8e5fc6ae113a892652626db7d78b6d1b10e
Markdownc093643d7111e024ce6146fcc75e08235c94282df044f856a4f5b1025996931f
PDF
Publication page468ddc1e46e7dacdadc8ac77ef695954793fe8badae316c12231f66241f26abb
Manifestcfb98eba64edfeed5d89e458cef8c0bf524ac734d4810482575fff20fee3885b

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
Signature24caoAMR0lf+zZ5yBN7rDsBFJg7BwcT4dqI59q/S70GFgtuNvKMc6FZNl/WkEFSN0G8qYo7oFJxj4U7v5DNcAA==
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

2026-09-17T11:17:49.770810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040644
observed 468ddc1e46e7dacdadc8ac77ef695954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.753892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040644/manifest.json
observed cfb98eba64edfeed5d89e458cef8c0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.735923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040644/publication.md
observed c093643d7111e024ce6146fcc75e0823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.716540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040644/publication.txt
observed 89575b046475fc8993fbf5c0feaea8e5...
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.