OpenTechnical

OT-2026-000007104

Publication integrity record

Porous face vacuum gripper, two outlet manifold, ejector fed, 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-2026-000007104) never changes.

Identity and time

Publication numberOT-2026-000007104 · never reused
Internal UUID01a0a972-d588-7d7d-9696-af4b13272fce · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:10.411564Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007104
StatusPUBLIC

Content hashes

Canonical text51afabbc4c8d06661a517bb3128ff75c01bdc0be407de4c9f140544bbf0c44a4
Markdowne78c40fdd631f3c7943be22327aaf753c9ceacb62e6499fbda62442e31c0d382
PDF
Publication page0c42e7c79609c42ad47eca7fd4733b308a42db3f66074f7c10bc473b55f98197
Manifest368374c9a229488a52054457c0980de925116e8bb0fc93d4a34af03d6c297b0a

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
SignatureHEUBM41aqN7Mr2lcgBk5hijbBv5weBMu7JcOGjvQ7jBYiAnigzbUq4U/FndKYucILjWpJelUIP9G759gh1hyDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:26.659163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007104
observed 0c42e7c79609c42ad47eca7fd4733b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.644953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007104/manifest.json
observed 368374c9a229488a52054457c0980de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.631006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007104/publication.md
observed e78c40fdd631f3c7943be22327aaf753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.511693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007104/publication.txt
observed 51afabbc4c8d06661a517bb3128ff75c...
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.