OpenTechnical

OT-2026-000067654

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000067654) never changes.

Identity and time

Publication numberOT-2026-000067654 · never reused
Internal UUID01a0ae8f-6bdb-7596-8129-a41e0fa15042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067654
StatusPUBLIC

Content hashes

Canonical textbce434482f236bf7d40235557a716d1dde62e77a9330abb6d825f249133dbfa0
Markdown140eef29af9fa35a4f15771a83cce0d60706056c9e139a75305b347037e28d4f
PDF
Publication pageab14e47ca6303a816dc7a6ba5b7d43595f9b6e46b288cb03abfa3d279eccfb91
Manifest5b853c7bc7ce800196c17591bb765a15cd916e91d5c2e01bf632abda229459e9

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
SignatureHLq+5obR8eAswUjJc0sy2LZphbPY5irj27LDQJXSJRKFcEO2O5dIe4d4tb7nr9v7ATDcfGc5ezLsSUiHrV3KCg==
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

2026-09-17T10:31:59.015397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067654
observed ab14e47ca6303a816dc7a6ba5b7d4359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.991566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067654/manifest.json
observed 5b853c7bc7ce800196c17591bb765a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.972593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067654/publication.md
observed 140eef29af9fa35a4f15771a83cce0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.949632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067654/publication.txt
observed bce434482f236bf7d40235557a716d1d...
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.