OpenTechnical

OT-2026-000047531

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000047531) never changes.

Identity and time

Publication numberOT-2026-000047531 · never reused
Internal UUID01a0ae7f-3e59-7b40-8731-c0f24dff2fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047531
StatusPUBLIC

Content hashes

Canonical text51989cedd475f353960370808dbcaf36af08f55ad4e65be9217166c3d92050e8
Markdown03deeb95750bf6c9f696810c72b306b36491b3d7927b75534a9f2ff2df01208d
PDF
Publication page1ad66c15e657effe936c738fbb743d32de7b44b2ae8188283f4f1d416418a023
Manifesta688a40aa8abe80b4a2e5c64f16782bcefaa82779d4d14b9326f43066742d267

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
SignaturewhQgkCn+TyVT2ka5OD7g63c4Sid/gnWyX0qIkq+377a4FzdTDivo2pEZiBCoD5CxRGXg82GBoYRttvX8YqkfBw==
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

2026-09-17T11:06:38.739157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047531
observed 1ad66c15e657effe936c738fbb743d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:38.723318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047531/manifest.json
observed a688a40aa8abe80b4a2e5c64f16782bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:38.704303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047531/publication.md
observed 03deeb95750bf6c9f696810c72b306b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:38.686358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047531/publication.txt
observed 51989cedd475f353960370808dbcaf36...
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.