OpenTechnical

OT-2026-000023214

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000023214) never changes.

Identity and time

Publication numberOT-2026-000023214 · never reused
Internal UUID01a0ae70-7267-7fc9-b4f8-61e091287a21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023214
StatusPUBLIC

Content hashes

Canonical textb0991f42f21ed6872d17381afa06c3cfaf1a6a6ae1fa455e65d30ca8bbb01171
Markdown62344ce86836f04ec1cab3ee1b8390c1cde0253479c539093dbb4882876e912d
PDF
Publication page3ac6698b91c05473de21dd0578f4249eac0e88e1a1d4d82ab1402cd620b318d2
Manifestfd662f96311d4a5c732e8e2ae4b6c84b50c83bd777efce6a8eee44971d02e9c3

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
Signatureqigyse3ChIKBi0Db3mUG0/hNCgeijBX43bo3ubrijdAr6sQpGruiZL/QgV5MSIGUCoZj+njVkPWyuN+0KBPbCw==
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

2026-09-17T11:51:16.124135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023214
observed 3ac6698b91c05473de21dd0578f4249e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.101085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023214/manifest.json
observed fd662f96311d4a5c732e8e2ae4b6c84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.082338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023214/publication.md
observed 62344ce86836f04ec1cab3ee1b8390c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.064439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023214/publication.txt
observed b0991f42f21ed6872d17381afa06c3cf...
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.