OpenTechnical

OT-2026-000049661

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000049661) never changes.

Identity and time

Publication numberOT-2026-000049661 · never reused
Internal UUID01a0ae81-8fee-753d-9b0d-8a89d8b2c27a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049661
StatusPUBLIC

Content hashes

Canonical text239397160894282d15a35e7a497bef92f85075665eabb07d23df599afc593fe4
Markdownd1525775eaa0677a405120fec36feb8233ebc200f48b2ede12c57caa0517ec3f
PDF
Publication page06b5598e9efe2f449ace49ece2de2ce6caef9e89309f0577d60e6b6fd99ffc41
Manifestcbe9273842a513da097610408dcf7a9f50d855d3cd5261a041aa37d6f92d3d74

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
Signaturenxz22bRSIEqv3CxOAXYxheKAv36MrdHtw8nR5qGmYAUOcHC8ALudjwlcApg4I6RtNeOwm1vCbnahjTqIOiGFCw==
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

2026-09-17T11:02:39.794012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049661
observed 06b5598e9efe2f449ace49ece2de2ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.773491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049661/manifest.json
observed cbe9273842a513da097610408dcf7a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.753876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049661/publication.md
observed d1525775eaa0677a405120fec36feb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.734689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049661/publication.txt
observed 239397160894282d15a35e7a497bef92...
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.