OpenTechnical

OT-2026-000005629

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, contact triggered

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-2026-000005629) never changes.

Identity and time

Publication numberOT-2026-000005629 · never reused
Internal UUID01a0a93f-8cb2-7a03-be97-c35b6d6cad96 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:09.429534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005629
StatusPUBLIC

Content hashes

Canonical texte10fdef0651e872c950e44df1a729f55becdd1e67b0650fd7c508fc55947ae27
Markdown5da1be4a0e350a390899ad085fc58d636a9171f9c26a7031fa5ef5f51e9a38d2
PDF
Publication pagedffa37f8480b1b333e03764ce687591886f5b490ae19e21ba7e6970802c070f7
Manifest531d61653116d24dae04ac8acca9963dbf3029c11685312e3a13d266a7b8cdb0

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
SignaturerZjARzu2UaqqAUE9squVPn7BsX5TOCgGQJLNIfgxy/IHgsk3a14j4BjZuPpdl9DGbgRcy42kiCW9SdIWUzlZDg==
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

2026-09-16T08:10:18.914220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005629
observed dffa37f8480b1b333e03764ce6875918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.900716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005629/manifest.json
observed 531d61653116d24dae04ac8acca9963d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.885325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005629/publication.md
observed 5da1be4a0e350a390899ad085fc58d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.747491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005629/publication.txt
observed e10fdef0651e872c950e44df1a729f55...
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.