OpenTechnical

OT-2026-000091999

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091999) never changes.

Identity and time

Publication numberOT-2026-000091999 · never reused
Internal UUID01a0ae9d-43bb-7545-8e8d-f240dfbfa315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091999
StatusPUBLIC

Content hashes

Canonical textce7831bdb2a8a29f47fec55c3e35537924b5f183cf3cc1fdaa860bcadf2a0fd6
Markdown31efc362affa57c9b4645fdaae9a73a3a3ea55d331a5cb693e64b25c141a06b0
PDF
Publication page7655abbbfef17f101fe938ea43c45ebc2f80f476d286f37f5c78f07c22440e1b
Manifest4541b1ff441f35d9b10c574356ce0e4fe50fd43debdb1d3f95da69540d9aec95

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
Signature2c+pKNAqhvuaHAk3E206JDhZQXiCa/1fBxirHzYaFtCOGjLxmw72Nrzhur9XytflbQ0wE47FUrkz4cpD6OXQBw==
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

2026-09-17T09:43:00.462482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091999
observed 7655abbbfef17f101fe938ea43c45ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.429810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091999/manifest.json
observed 4541b1ff441f35d9b10c574356ce0e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.402044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091999/publication.md
observed 31efc362affa57c9b4645fdaae9a73a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.377180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091999/publication.txt
observed ce7831bdb2a8a29f47fec55c3e355379...
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.