OpenTechnical

OT-2026-000005154

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two outlet manifold, plant vacuum fed, plastic cups

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-2026-000005154) never changes.

Identity and time

Publication numberOT-2026-000005154 · never reused
Internal UUID01a0a92f-9ca3-7042-87af-34ec5ea280c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:44.934223Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005154
StatusPUBLIC

Content hashes

Canonical texte14a436ad60f4be9e2e1947f4b55d92096636895a85ddf26f66ec197dddcce9e
Markdownb9cb508bd71bcb828693841cd8aad29b43b4ffd53ab5b78cdf27789581e73780
PDF
Publication page4cd8016374e1781cf54a3661694094a80ece0380160242794a8bbf05e265e993
Manifest26fc3d7a3485831421581f898ec8d155eb010c4283641af842a6cf0af11bccf1

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
Signature0VW+B8tKIKyf0d2H8xJRzN8ODNijs+T6gIlHjppsv5V3mZ4vFhQdg7vMFSEpMrTso578rrGmHf1kuSXaQFPmAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:09.468255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005154
observed 4cd8016374e1781cf54a3661694094a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.454150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005154/manifest.json
observed 26fc3d7a3485831421581f898ec8d155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.437726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005154/publication.md
observed b9cb508bd71bcb828693841cd8aad29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.423413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005154/publication.txt
observed e14a436ad60f4be9e2e1947f4b55d920...
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.