OpenTechnical

OT-2026-000010658

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000010658) never changes.

Identity and time

Publication numberOT-2026-000010658 · never reused
Internal UUID01a0ae6c-0ee8-7869-8fc1-7c51b2f23aaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010658
StatusPUBLIC

Content hashes

Canonical text28da767a92e8b49f680a19e0ed5b4e1d7de166467f80d58341f9c0b9c0cd4b7e
Markdown929ffea669e2ce93ec0163388fd5801aeef474026287f76f096e5be11ec6cb7c
PDF
Publication page1ad99181a4ca3ea4f08c759aebe54d7f3319499ed7f3e9c010b08d3af9b385ec
Manifest28e8d0d9e397d3cbb35921fddd13043e92a3c4a109f569c4dab658f3ada9a18b

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
SignatureroCQmO1jY71NmZOfYJ5jjnJfGdPMHvR43A0lUyHRpuOTbiAyHg8A+P2tlIAUuHd1JNqShW6rKHet5/f2h0fwBQ==
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

2026-09-17T12:14:51.784827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010658
observed 1ad99181a4ca3ea4f08c759aebe54d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.763028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010658/manifest.json
observed 28e8d0d9e397d3cbb35921fddd13043e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.742722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010658/publication.md
observed 929ffea669e2ce93ec0163388fd5801a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.723165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010658/publication.txt
observed 28da767a92e8b49f680a19e0ed5b4e1d...
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.