OpenTechnical

OT-2026-000058298

Publication integrity record

Foam pad vacuum gripper, 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-2026-000058298) never changes.

Identity and time

Publication numberOT-2026-000058298 · never reused
Internal UUID01a0ae88-f398-757d-8a09-36e0cb437419 · 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-2026-000058298
StatusPUBLIC

Content hashes

Canonical textc4a35f001a8c10253a58e37d6099f201bcd01e86f4d9f54f0dbeeb7c4d9425e7
Markdown7b296f0109845b7d714ff9baff352a52a54563c550c4a55857b928daee0be6cd
PDF
Publication pagedbafc95cabe157bf22532429d2e5e5a6021ebe6d0aa27c55fdbded224a2e2ba5
Manifest16dab4c26688a7fc44df2d55a3b28d0d257d7a67c0097badb7d4d6d2c210c7cb

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
SignatureKCUWhQ1QQc6RX2PlqwFZmrqjlb8dzr36Z52DgnzG2Fiibn8goi2ctLa+Z0Y3HmPGDALKN8xdaO395BIXS+NADg==
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

2026-09-17T10:46:41.641904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058298
observed dbafc95cabe157bf22532429d2e5e5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.622961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058298/manifest.json
observed 16dab4c26688a7fc44df2d55a3b28d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.603062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058298/publication.md
observed 7b296f0109845b7d714ff9baff352a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.584236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058298/publication.txt
observed c4a35f001a8c10253a58e37d6099f201...
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.