OpenTechnical

OT-2026-000058567

Publication integrity record

Four bellows cup 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-2026-000058567) never changes.

Identity and time

Publication numberOT-2026-000058567 · never reused
Internal UUID01a0ae88-f39c-7c27-a7f3-b00de81ae43e · 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-2026-000058567
StatusPUBLIC

Content hashes

Canonical textb8e1601c51146308876a1f154fe770c4fc5e9ebf2c92981ac1580d1ad84fa20b
Markdown39bb6e0cb23459aff181ee092cb17db8bf0a98b899f4281c769a5791962e1072
PDF
Publication page5e26c58b1f3680a4ce961b3d808af1721efadd3cfc773ecae9693a47e50b36fc
Manifestfcd6f22c26902972471db388d0fc1c4d76ccb8cea6bec25f87b0780a99655444

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
Signaturefn+TC+17m6UrmKA3vEgJ7Q1OK/F7HIU7BTp7AOvwLN8wchkYANroIm6OAmBmQdNopXyx78qqTESeHhXbxGdXDA==
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

2026-09-17T10:47:03.131823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058567
observed 5e26c58b1f3680a4ce961b3d808af172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:03.112963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058567/manifest.json
observed fcd6f22c26902972471db388d0fc1c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:03.095391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058567/publication.md
observed 39bb6e0cb23459aff181ee092cb17db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:03.078428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058567/publication.txt
observed b8e1601c51146308876a1f154fe770c4...
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.