OpenTechnical

OT-2026-000006774

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, contact triggered, vented 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-2026-000006774) never changes.

Identity and time

Publication numberOT-2026-000006774 · never reused
Internal UUID01a0a966-f48b-74cc-b24b-c62899038815 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:48:11.918156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006774
StatusPUBLIC

Content hashes

Canonical textb28d7a37a8b94cdbdd22257b2b043212e5a0e33c1c408d34611b720a9967f588
Markdowne9e2039f743e4688c42c71a4837fe187ab62a9733c069ad4aa9d197f2165ad9d
PDF
Publication pagec30fc4b84aef0b1e43b4277f33ba92b58c44f8b45b8876d233cf8d97a681a7e6
Manifest49ce260eecdab596237218e01b3e406a111c0fcfe9592218e85a9207c188991c

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
SignaturemrT28kiBp/QBHUdyrc1k4OU/QFUh4CTJKjYGs8KxSY1SyA/JMgicM2dEQCZvRkMDsmpo8fFHpKBn1wjFuAjaCQ==
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

2026-09-16T08:50:07.897870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006774
observed c30fc4b84aef0b1e43b4277f33ba92b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.885135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006774/manifest.json
observed 49ce260eecdab596237218e01b3e406a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.748856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006774/publication.md
observed e9e2039f743e4688c42c71a4837fe187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.735770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006774/publication.txt
observed b28d7a37a8b94cdbdd22257b2b043212...
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.