OpenTechnical

OT-2026-000049464

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000049464) never changes.

Identity and time

Publication numberOT-2026-000049464 · never reused
Internal UUID01a0ae81-8f7c-7ccb-adf3-7a5c573c1dda · 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-2026-000049464
StatusPUBLIC

Content hashes

Canonical textc2a69e10fec8e5cb2f5fb2b73f5491703e029776194dcb69c8f573339d19c6ea
Markdownd8b4077a4745bd6fab8f2a7477af94e25c15ca0b391999da26168b5f925acc32
PDF
Publication page53e411fb9a1c64ccc0a01a5c5ff4997ae3159294fc683d5c10ac800e66eff71e
Manifest464c1610011014dd0f6e97a16ad00c9c1ad37214913bed683849346abb4a709a

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
SignatureiepHml7S9wvLK3X9vf95PnZwW+MsvxngUyriUDnegPLXS76VdecXc3h83MVJhzM9QUbNjBMfEmUTEYwYtPVUAg==
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

2026-09-17T11:02:18.287333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049464
observed 53e411fb9a1c64ccc0a01a5c5ff4997a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:18.269119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049464/manifest.json
observed 464c1610011014dd0f6e97a16ad00c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:18.251575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049464/publication.md
observed d8b4077a4745bd6fab8f2a7477af94e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:18.231438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049464/publication.txt
observed c2a69e10fec8e5cb2f5fb2b73f549170...
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.