OpenTechnical

OT-2026-000007769

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000007769) never changes.

Identity and time

Publication numberOT-2026-000007769 · never reused
Internal UUID01a0ae62-843f-794b-b5f5-0e454df97a6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007769
StatusPUBLIC

Content hashes

Canonical text2cd175f3db4cf6811fe2f2d742e7c7eccf09f23c9b86f64fa55cdb641649529a
Markdown3c8a8aa0e5ff8e146d8bf7e195a079620ba9cff7c1b2a758d702ab03098eb94a
PDF
Publication paged4aae00e8ba0f9f1e5d70e4b4afcbed668f3ef8705f73e9b1858692f824cc379
Manifestd86f0c36722937036636f9212da1d548ef174ced77392d5eec6a4f2101680466

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
SignaturebT5Ae86oVf0sN5T0HclynDNk37ipTreslRMzPLfew5hxp07CgddERtY1M6NPpd3+fwKBl5wUUFfsO4Kk4XltBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:10.044679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007769
observed d4aae00e8ba0f9f1e5d70e4b4afcbed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.027374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007769/manifest.json
observed d86f0c36722937036636f9212da1d548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.011393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007769/publication.md
observed 3c8a8aa0e5ff8e146d8bf7e195a07962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.995090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007769/publication.txt
observed 2cd175f3db4cf6811fe2f2d742e7c7ec...
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.