OpenTechnical

OT-2026-000064902

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000064902) never changes.

Identity and time

Publication numberOT-2026-000064902 · never reused
Internal UUID01a0ae8d-debd-7138-b4da-d928224c98d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064902
StatusPUBLIC

Content hashes

Canonical textccafdd064b756592f967695ecb7a7124413b0c7c66c93c51127af0e18b7c1779
Markdowne84c727423164ed686d6268ebb6ff87bb9f7d463451a0ac0c486c7a609afc7b8
PDF
Publication paged4b4c5e7243b3f9a4009bf9fd1027210de2f34a527ceead38865d5a3c88eb877
Manifesta4ae57bc66cc8acad011649bb74f55cf17f05f41b0a9468788f57e39233c6fee

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
SignatureBeVw4o5JirFRmlBW0sDR4Fdt7CDiiJamlPbKbBBBJAtl3Oh9C75aGDwsE+lYilIbpyhqHGB9DE95yMiPYTdXBw==
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

2026-09-17T10:35:49.945376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064902
observed d4b4c5e7243b3f9a4009bf9fd1027210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.927999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064902/manifest.json
observed a4ae57bc66cc8acad011649bb74f55cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.908942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064902/publication.md
observed e84c727423164ed686d6268ebb6ff87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.890534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064902/publication.txt
observed ccafdd064b756592f967695ecb7a7124...
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.