OpenTechnical

OT-2026-000058282

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000058282) never changes.

Identity and time

Publication numberOT-2026-000058282 · never reused
Internal UUID01a0ae88-f398-76cc-84c1-bf6612a7cd61 · 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-2026-000058282
StatusPUBLIC

Content hashes

Canonical textf4147177e9b00c80c6393a8bdef18820175f55c64a30cd833fc75a3ebfac49e8
Markdown42b5d5b5db1a671471433765af5ea55ef4ce4779e59005b4ee9e40a18f98fda7
PDF
Publication page7a4b755a140f4f77beaac8937c7d2d1db353ddbbcd64d10047d20c8991181426
Manifestfa303714c9b1bbdfd1f557bad8ddab3ab59d74e1507669ca360330732e41902f

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
SignatureIsc2z2JARl+4+ipDfROVmHpjwI/oZdu2pxHah+ceffBLuR7EyW1IUeC4tOwWO/EBFdbo5zvz5OJWyR6GnDOqBA==
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

2026-09-17T10:46:40.382909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058282
observed 7a4b755a140f4f77beaac8937c7d2d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.365290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058282/manifest.json
observed fa303714c9b1bbdfd1f557bad8ddab3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.347712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058282/publication.md
observed 42b5d5b5db1a671471433765af5ea55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.328932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058282/publication.txt
observed f4147177e9b00c80c6393a8bdef18820...
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.