OpenTechnical

OT-2026-000015543

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000015543) never changes.

Identity and time

Publication numberOT-2026-000015543 · never reused
Internal UUID01a0ae6d-ef4b-77be-9d72-6bdfcc5c170e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015543
StatusPUBLIC

Content hashes

Canonical textcd612bc2fe0cfda55705dcadf91e25201fcdccf30917fd4a343a085b46ac7094
Markdown0bcf54707ca98e0a730e06517c74d4d62d683a52eac218a6db4398afd48c7abe
PDF
Publication pagece094b1035ff2a2ebcfa92ad1cede54437502ef6adaa685d012fc3b0ca95cf44
Manifest5e696f1f2557f8f7e89871e792503e14cfcc5b16ea8bcced8cb6ceb2a4120fd9

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
SignatureMPRawu7eohT0EeD6wU/PRJ0PifMk8R75BtRN5b4//fXqqT2lF6jm04GVSWpjj2Fxu7tjhWfEifeEHaeoO3APAw==
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

2026-09-17T12:06:19.561616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015543
observed ce094b1035ff2a2ebcfa92ad1cede544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.541541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015543/manifest.json
observed 5e696f1f2557f8f7e89871e792503e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.521499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015543/publication.md
observed 0bcf54707ca98e0a730e06517c74d4d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.503518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015543/publication.txt
observed cd612bc2fe0cfda55705dcadf91e2520...
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.