OpenTechnical

OT-2026-000058615

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000058615) never changes.

Identity and time

Publication numberOT-2026-000058615 · never reused
Internal UUID01a0ae88-f39c-7d23-87ef-1203447ad489 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058615
StatusPUBLIC

Content hashes

Canonical text7e84c3ffbdb9715185f47203d23e2142cd0df6f959492dc1060f97f66857cec7
Markdownc0a2c1a2c0e6550ce16cc6a2426e0a1c3aa8393ae9c8aa07e7fb8bb33a6f76c5
PDF
Publication page39d91c8d7af2b516e3fe755e9c50c3a8643f3cd26d8f88076eaee601b1cd796b
Manifest2ad7b93d8e440d6c667d8fc1c4c52eb1aa1754414a09432308153a6583934d34

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
Signature8abx8uM430T+iJCx7R9EpJ6tohlw95EzdH89w0/1voNRnPcfLd2CxYREtp7JSTEAj1aBj0KgGyPtyxwbquSoCQ==
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

2026-09-17T10:47:06.968443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058615
observed 39d91c8d7af2b516e3fe755e9c50c3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:06.946527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058615/manifest.json
observed 2ad7b93d8e440d6c667d8fc1c4c52eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:06.925491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058615/publication.md
observed c0a2c1a2c0e6550ce16cc6a2426e0a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:06.908697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058615/publication.txt
observed 7e84c3ffbdb9715185f47203d23e2142...
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.