OpenTechnical

OT-2026-000022452

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-2026-000022452) never changes.

Identity and time

Publication numberOT-2026-000022452 · never reused
Internal UUID01a0ae6f-f4fd-76e7-b16c-fc1cdb28eb0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022452
StatusPUBLIC

Content hashes

Canonical text7c2f3f1e859fb1ace9c1b998c99a8a8f1d467fe6e1db689dad513c33f93de6c9
Markdownffdb1552369e8d494d003d4608aa1df2e75daca59d43fe8344793f6607b951ff
PDF
Publication pagefb4d62bc17a47d7b0fb06393d9eb186f3cf4528ac3e523bdcca8997fe89cf2a5
Manifest495bc11cfdfeb152f03955c774fac3fdc162219c4f382fe24c6526e41a3423c2

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
SignatureGKvGTzrMffh4lLtJFpdt1Qkc/glXMAWV5i3UF5Emaqr0hy5OD0tQcTAKjJYJCaI7CR+6Mh1xyMiPn9/C0QpVDQ==
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

2026-09-17T11:53:50.965171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022452
observed fb4d62bc17a47d7b0fb06393d9eb186f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.945961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022452/manifest.json
observed 495bc11cfdfeb152f03955c774fac3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.928050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022452/publication.md
observed ffdb1552369e8d494d003d4608aa1df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.909842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022452/publication.txt
observed 7c2f3f1e859fb1ace9c1b998c99a8a8f...
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.