OpenTechnical

OT-2026-000058989

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000058989) never changes.

Identity and time

Publication numberOT-2026-000058989 · never reused
Internal UUID01a0ae89-47a0-7866-b7fb-d384f1ad35eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058989
StatusPUBLIC

Content hashes

Canonical text6a48dce8d9622d2ec1a8620302d800b176092d9ad3717c9c7105bad7515897e8
Markdown0c908d04e31c67076726a501b31b50a5825b92f4e8259edb51c36d796def8c34
PDF
Publication page0023cc4baa8e846a7db7624f6053cf09b223cdfc16e5342316f6788d90bb3f03
Manifest420f834055b02037466def53a706b3bf7a3c49de459a39b7e927b37cbcf0230b

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
SignatureM7E7l4BpyeT/QLIREt8HBNZeJyGoMMD0IbYRztilElY6Gk7D0i/WHoomJDIbMEHXPHKIWKu8q+Lr+f/E+oTCCQ==
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

2026-09-17T10:46:34.480909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058989
observed 0023cc4baa8e846a7db7624f6053cf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.464070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058989/manifest.json
observed 420f834055b02037466def53a706b3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.443775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058989/publication.md
observed 0c908d04e31c67076726a501b31b50a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.426096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058989/publication.txt
observed 6a48dce8d9622d2ec1a8620302d800b1...
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.