OpenTechnical

OT-2026-000049790

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000049790) never changes.

Identity and time

Publication numberOT-2026-000049790 · never reused
Internal UUID01a0ae81-8fef-7e10-b957-6c7408566cbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049790
StatusPUBLIC

Content hashes

Canonical text05c504861b7bb2ac0e82f130ac0e2696083b27e1757eccfa5f88b25fe029b121
Markdowne3cd117c883392e59e67726ecd0a017a6e9f8dd77839aba6cb4ba792e852e026
PDF
Publication page563cc7f47dcb090d9d33f45f5e2dce6ab275ff314986465554fce34755a09e72
Manifeste27f8c8855555a86425992e8a02c000a956c1c1d89a451853b0d650dce9b67d7

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
SignatureLq8rvE9ykNYcwCDcfISov+SaNOQ1srUeklq0UfDmsMdWAlMfmIiBcc47RS5VPQ2vonFsZl3NIE1O5pPwKojuDg==
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

2026-09-17T11:02:54.631081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049790
observed 563cc7f47dcb090d9d33f45f5e2dce6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.611739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049790/manifest.json
observed e27f8c8855555a86425992e8a02c000a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.593277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049790/publication.md
observed e3cd117c883392e59e67726ecd0a017a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.575029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049790/publication.txt
observed 05c504861b7bb2ac0e82f130ac0e2696...
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.