OpenTechnical

OT-2026-000058350

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000058350) never changes.

Identity and time

Publication numberOT-2026-000058350 · never reused
Internal UUID01a0ae88-f399-7693-aacc-2c0af9e0d354 · 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-2026-000058350
StatusPUBLIC

Content hashes

Canonical textd8eed663df8fc9c74937cd1c2a5ee926edb1b97e9c28daf4af5532952b5817d9
Markdown7cee0446794a0772eb427a0de96ef0c48bcb475a79e124d8a8efd20f1c91ce1b
PDF
Publication page9c8fbaca5b99f09ee5c2fa25d1b665c94e9e0cb21f92d2b616b1ee7f8fd76ca1
Manifestc038497c21678a54767fb150a2db69d0d33eefdf88dc58a74ccbc7cc2e41e1d3

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
SignatureY2GdVN2Cm6U8/8c4AhVikCtkgAT4k/aE1s28Of+ZBJLfJpZnA37CxZ2EE3HdrTI1Y72fGOzcPNYEEVGmynbvAg==
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

2026-09-17T10:46:45.811433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058350
observed 9c8fbaca5b99f09ee5c2fa25d1b665c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.794731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058350/manifest.json
observed c038497c21678a54767fb150a2db69d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.777270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058350/publication.md
observed 7cee0446794a0772eb427a0de96ef0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.758910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058350/publication.txt
observed d8eed663df8fc9c74937cd1c2a5ee926...
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.