OpenTechnical

OT-2026-000048025

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048025) never changes.

Identity and time

Publication numberOT-2026-000048025 · never reused
Internal UUID01a0ae7f-c423-7937-b7f5-dc0cf2120d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048025
StatusPUBLIC

Content hashes

Canonical text703da3062ef37ac4948e7285b84a2bd0c416c798742d9e916e1fbe3f0c410af9
Markdown7533023f808cf5a7116c14dcc7aee9304c83e20572b8e66d6f0f67ef6a5348b2
PDF
Publication page2d25b3cde6867fbaa2036849ff0ca1ec2a92f30f6606469b07fe3998ced42fd7
Manifestdacd4d80db8517b4af420ed614ae7e0a254bbe6eae05b9a81bcadca9db95b86f

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
Signaturej0rvc0hZ2zMkgtcrBVY+xg8KycKgM6vsMG9TxPz8GsOULDWebUjvjc+8z6SiomVeS8WIu2PdjcySHkQaC4JZDg==
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

2026-09-17T11:06:01.313921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048025
observed 2d25b3cde6867fbaa2036849ff0ca1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.294620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048025/manifest.json
observed dacd4d80db8517b4af420ed614ae7e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.275326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048025/publication.md
observed 7533023f808cf5a7116c14dcc7aee930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.255819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048025/publication.txt
observed 703da3062ef37ac4948e7285b84a2bd0...
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.