OpenTechnical

OT-2026-000027252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000027252) never changes.

Identity and time

Publication numberOT-2026-000027252 · never reused
Internal UUID01a0ae72-6996-70a3-901e-512fe3a128c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027252
StatusPUBLIC

Content hashes

Canonical text2f35062af5932defb47fa109da1b96f973f5f0e5d6278cc7a48976e34bdfe72d
Markdown3016c7391d10a88a1874c8a19b21d346bf1d7d308924f91ec92f9c2da8b3b638
PDF
Publication page77b8017f6318582b721bf86fe88fc06ee4fbc1d6e03d4069d008729bc9aba8fb
Manifestb4efacff366a14ca0048c67421707f4f626717e4ec450c4aca3c14636476d47e

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
Signature7ag6bqonvJ88vEv1pitFPOVP9eBk+0D0afSz8tvMQxJMpQvYvJxkrGyCqemeJlo9uSr/9QDxr2ZgCvhOZxDUCg==
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

2026-09-17T11:42:37.340114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027252
observed 77b8017f6318582b721bf86fe88fc06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.322805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027252/manifest.json
observed b4efacff366a14ca0048c67421707f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.307278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027252/publication.md
observed 3016c7391d10a88a1874c8a19b21d346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.290855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027252/publication.txt
observed 2f35062af5932defb47fa109da1b96f9...
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.