OpenTechnical

OT-2026-000019272

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019272) never changes.

Identity and time

Publication numberOT-2026-000019272 · never reused
Internal UUID01a0ae6e-f392-7be5-821f-b8cb67cc6471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019272
StatusPUBLIC

Content hashes

Canonical text0c263546578ad9b04090465a380a978ccf2a053ea6b39b34dae01a5661d455b4
Markdown5bac414d4f56385ae0557aae9b49bf35d74eb0ca2e9a4c0003760f9a3b222860
PDF
Publication page02de5b3e7255af016731b18ecc85d4130b0b18e6e49560eab5c4fe1a592d07d7
Manifest066cc47bfd152ba6d6aa852f86e3edfb6ece8ea746995db8fe5d6f210fbb7cf0

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
SignatureeTxgc/noIcyB1VhI4ZcmTiSNUkG8wgeCoAHji6I8HQaCXKdl/nheTyA+xW9J4a5IeWmC0cns7Bda4glD4MRbCg==
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

2026-09-17T11:58:37.284174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019272
observed 02de5b3e7255af016731b18ecc85d413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.264138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019272/manifest.json
observed 066cc47bfd152ba6d6aa852f86e3edfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.244838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019272/publication.md
observed 5bac414d4f56385ae0557aae9b49bf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.225262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019272/publication.txt
observed 0c263546578ad9b04090465a380a978c...
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.