OpenTechnical

OT-2026-000061022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061022) never changes.

Identity and time

Publication numberOT-2026-000061022 · never reused
Internal UUID01a0ae8b-12f4-7c3c-89cc-8aca92c7f3bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061022
StatusPUBLIC

Content hashes

Canonical textab6112010d6d0fdfea4f4383ab56907bb71a6a001c93e0f5ca2a38d4239c477a
Markdown1eeaf889b9b81de4a17a2cbd1f280909ad0a2b3fb47137b8fe25c250535ce1d4
PDF
Publication page3021211f25dcabb9687a80137596a66938ae5d72ea801fd99f4024b431347325
Manifest9bf7f6041da0614059a5b8d7b780b85f696e34558a093338290c2c2bfc6fe312

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
SignatureKwKtxQvTOnCSIy0scuna5cgsdMJIrVImQpU57kIfU3OMfoArQh159RXN7tHoQ7hyyzpNs/gxEQE4vFxt7/S8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:22.018269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061022
observed 3021211f25dcabb9687a80137596a669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.997867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061022/manifest.json
observed 9bf7f6041da0614059a5b8d7b780b85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.978325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061022/publication.md
observed 1eeaf889b9b81de4a17a2cbd1f280909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.959171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061022/publication.txt
observed ab6112010d6d0fdfea4f4383ab56907b...
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.