OpenTechnical

OT-2026-000060144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000060144) never changes.

Identity and time

Publication numberOT-2026-000060144 · never reused
Internal UUID01a0ae8a-5a71-71cc-adee-b6310a1b9667 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060144
StatusPUBLIC

Content hashes

Canonical text9e223cd8e5723ed31c5b3fc1393b85cfb7747192a5d8685fc84a0dc1efcd2372
Markdownef7b795a7933a31359a7e047709c95d80f27df546a9ddefb77b35e628c31b00b
PDF
Publication pagedf6974a22eeef2fb96cf10c847dc0049e1825f72f8e0a1beb5b7f33b97b5639e
Manifestb1778d7bd3daba1725555afebad5c546d36fe2a62781e3f4d166e86742458789

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
SignaturevrxTZC0v14kM93rSWyTA45FF2NNOs1nSO7HyW3i9CKe0hvem8jc5gEzjWy9V2iBltnsJswQGepp7C+EVXpT2Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:48.097002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060144
observed df6974a22eeef2fb96cf10c847dc0049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.079899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060144/manifest.json
observed b1778d7bd3daba1725555afebad5c546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.062313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060144/publication.md
observed ef7b795a7933a31359a7e047709c95d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.043706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060144/publication.txt
observed 9e223cd8e5723ed31c5b3fc1393b85cf...
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.