OpenTechnical

OT-2026-000049014

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000049014) never changes.

Identity and time

Publication numberOT-2026-000049014 · never reused
Internal UUID01a0ae81-134c-75ab-9909-e69b79fd65da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049014
StatusPUBLIC

Content hashes

Canonical texte6082edaab2260b0cd8c0a820057d20e76f42e8f4477ed1c9c616f56b277c9dc
Markdowneccc0aac17af860d4c3d8431421dca5d85e4a750845400a0cb8f8de7cdc7bf2d
PDF
Publication page4f9b451491a88fa04e8886d7f3fa58b32e74494ce33296410e41d956c7de4f8f
Manifestb5c1ad996322c5896c999b07d6ee67dcb866d5098871c472cd6b38510c1129cd

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
SignatureNM6dTheKvFBwp9vds0KlEvQhNnkfYLIilrZV2bb8sE8DgQNbrD6rx7fZpFCvK9cb1/eRFMK6kBVVeJxWjgHrCA==
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

2026-09-17T11:03:13.758094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049014
observed 4f9b451491a88fa04e8886d7f3fa58b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.740784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049014/manifest.json
observed b5c1ad996322c5896c999b07d6ee67dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.721038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049014/publication.md
observed eccc0aac17af860d4c3d8431421dca5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.699224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049014/publication.txt
observed e6082edaab2260b0cd8c0a820057d20e...
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.