OpenTechnical

OT-2026-000057698

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000057698) never changes.

Identity and time

Publication numberOT-2026-000057698 · never reused
Internal UUID01a0ae88-2695-74db-91c7-4afeac5b8c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057698
StatusPUBLIC

Content hashes

Canonical texta60ea30bec74b4c61a83c1c0e5dd7b618946480e12e471e984f2fd412b8a9ee9
Markdownd2e50bd0f2632bb0881c9e01356da63df6090ca42b47041b734f74ea378841f4
PDF
Publication pagee01efce48e51c67831cb9601ad81954f8a8a6995ea8adfda14e80e8248ee3396
Manifestdc8d6169fda668c8303327971d160c77848aa27ef8421f74d7fff98878f23c84

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
SignatureaTnwdOq9bO8Q4pcKNufvcGijKbGSW6NuZ+zuwkdPJ2pSkgFK35iMjeGC0a8Q5IXX7VSmyPR9sOLUxfSJmV8jAA==
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

2026-09-17T10:48:21.758911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057698
observed e01efce48e51c67831cb9601ad81954f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.740415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057698/manifest.json
observed dc8d6169fda668c8303327971d160c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.720382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057698/publication.md
observed d2e50bd0f2632bb0881c9e01356da63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.701012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057698/publication.txt
observed a60ea30bec74b4c61a83c1c0e5dd7b61...
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.