OpenTechnical

OT-2026-000025026

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000025026) never changes.

Identity and time

Publication numberOT-2026-000025026 · never reused
Internal UUID01a0ae71-2728-7d53-a047-ce9023fb7c24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025026
StatusPUBLIC

Content hashes

Canonical text13f1ae84d1e6cb2e5993f7a64852ae4e69403b90d4fc4d6290af4568557565cf
Markdown14cd76b43b6fe7bf45078778d80b8863fc1fa9574fcb38b814454579af3745f0
PDF
Publication page5c3e976dd29cee090253e708b3e09591e628f6fbb579be2b0354ac808191434f
Manifest15839e29290b7afa72bf6da8325ad1cad77458d8771f6f897d255b342f7570e9

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
Signature8Zejh2ec9Gcrl45e5yubiaYf5WK7PkcWpEbMjT20CnHpycbQE6QMqFKGbjMDNCCPLIV/hVrQOeczKm3ipfGvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:25.747054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025026
observed 5c3e976dd29cee090253e708b3e09591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.725953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025026/manifest.json
observed 15839e29290b7afa72bf6da8325ad1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.705631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025026/publication.md
observed 14cd76b43b6fe7bf45078778d80b8863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.684562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025026/publication.txt
observed 13f1ae84d1e6cb2e5993f7a64852ae4e...
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.