OpenTechnical

OT-2026-000088336

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000088336) never changes.

Identity and time

Publication numberOT-2026-000088336 · never reused
Internal UUID01a0ae9b-5d27-7c92-b28a-8328941d7942 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088336
StatusPUBLIC

Content hashes

Canonical text6ee31cc76fda519e983fac08c1d8f89513207b485ef660d447d807edd684f258
Markdown58d2aec362461bde0afcab5f8eceaf20099c8ce3ce1e305d501232f8f57c22b3
PDF
Publication page7e85ba9311a74db15cf7407c62a00c3fa51c3944b9f58371ef214a6bcede1910
Manifest517191e93b1fae4617cbebc663b3a0e7a51066722b9f4482aa07cfb7f17ed3a1

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
SignatureaPx3yG1haXGMvN6URwhBjnpAIMZP5vc0N+q+OcEY6diEvOdWdpp57RuHWbSh3vwVuR+STZ5SI/2Ra8kyPrxyBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:40.354879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088336
observed 7e85ba9311a74db15cf7407c62a00c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.336646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088336/manifest.json
observed 517191e93b1fae4617cbebc663b3a0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.317730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088336/publication.md
observed 58d2aec362461bde0afcab5f8eceaf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.298612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088336/publication.txt
observed 6ee31cc76fda519e983fac08c1d8f895...
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.