OpenTechnical

OT-2026-000046128

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000046128) never changes.

Identity and time

Publication numberOT-2026-000046128 · never reused
Internal UUID01a0ae7e-032b-72e0-88f3-2dba719a15c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046128
StatusPUBLIC

Content hashes

Canonical text05af7af1f141c57b1ff134e98815d62e68bbdeb2bcb0c9077f5e7a1d353b1527
Markdown0811720fce2922b740e04229974445d75e8184aaa5fc207d34b4af7af7a76025
PDF
Publication page51c1fd54da9e99bdc577cac79665f55b6fab09b3d8f7f33cf96f53e81db7639a
Manifest12a1483a6ec35ca52b061d9ae52d26bc352369fa032b02fa8782686f3109423f

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
SignatureqlH9L6l0AveBwHnIlfSXSXp6d7J0St1I6iyjWjHdwGzL7xBTI6nVgI8wTWRaMbTft4OqSTcFe0tXDUenMQuKDQ==
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

2026-09-17T11:09:06.807279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046128
observed 51c1fd54da9e99bdc577cac79665f55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.787698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046128/manifest.json
observed 12a1483a6ec35ca52b061d9ae52d26bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.768769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046128/publication.md
observed 0811720fce2922b740e04229974445d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.748366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046128/publication.txt
observed 05af7af1f141c57b1ff134e98815d62e...
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.