OpenTechnical

OT-2026-000032043

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off before 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-2026-000032043) never changes.

Identity and time

Publication numberOT-2026-000032043 · never reused
Internal UUID01a0ae74-bad3-7c5e-ba4a-8d8f6a5ebbf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032043
StatusPUBLIC

Content hashes

Canonical textdf33ad6443d071094969490f8d9adb7af17d91aaba924403b7e3ec80e26549cf
Markdown637446bdbd9bdbf76bb57aaf1b9ed2a0ee7f08fe5afa8c56d48b7b425483be77
PDF
Publication pagefa0692fa806419799c2a713346a2455adc94b680ace5ccb5eca355820d07fcb3
Manifestf5f3b8dbc521e1e57cecf31ae017b53e5e7d676b3f27740d479b77dc8c9034a2

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
Signature9F7Fkl3zrylx2/yY6ca/O1+LOcxaF3/NuO0G5sjoM8hE0YgjIRit1/CLN7vGDrq3r19ge990BR9/OEZHU7wTDQ==
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

2026-09-17T11:35:27.401800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032043
observed fa0692fa806419799c2a713346a2455a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.385140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032043/manifest.json
observed f5f3b8dbc521e1e57cecf31ae017b53e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.367732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032043/publication.md
observed 637446bdbd9bdbf76bb57aaf1b9ed2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.349733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032043/publication.txt
observed df33ad6443d071094969490f8d9adb7a...
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.