OpenTechnical

OT-2026-000063122

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000063122) never changes.

Identity and time

Publication numberOT-2026-000063122 · never reused
Internal UUID01a0ae8c-94aa-799a-b4cf-e48f5b3046a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063122
StatusPUBLIC

Content hashes

Canonical text11a359c482317bcd0ebc0465931c5844bd26461ff70c781bce4c78642f8b8e7b
Markdown2edd2ab37a517b98a81fd9bd5a405a23b4d07986a05c4ee977df4080a5921c41
PDF
Publication pageb715bff8016e29886ddd9ad685cfcf50ec30ef81f17db88e33e24522eab01f5e
Manifest2ad15d383dbcdf1aa420b06e45a3903a2219b64b0b74a47165975d4d381f20cf

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
Signature755PGj2HlGXDkGPX4SLsHpt6DS18LokysxZjilT2eVjWnJtVUtpOPe8V/AibiCDjJBcHT//IzwsO9ACDJg8hDw==
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

2026-09-17T10:38:54.117392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063122
observed b715bff8016e29886ddd9ad685cfcf50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.098781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063122/manifest.json
observed 2ad15d383dbcdf1aa420b06e45a3903a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.079720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063122/publication.md
observed 2edd2ab37a517b98a81fd9bd5a405a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.061432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063122/publication.txt
observed 11a359c482317bcd0ebc0465931c5844...
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.