OpenTechnical

OT-2026-000063691

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000063691) never changes.

Identity and time

Publication numberOT-2026-000063691 · never reused
Internal UUID01a0ae8c-f946-7c46-afb6-c3710046af80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063691
StatusPUBLIC

Content hashes

Canonical texta5e9862fb26bc6a8448bb2384f5782fd3e61dc60bcad87e86b41ac413f300473
Markdown47e7329f6bca27eced7a4d36b0a8938ac22eb546115bfac4b08e371ffbd8da67
PDF
Publication page257b2174232cd12b7c2dabbeb14b36eb3af826e05a04deb57d6a4f77101e34e7
Manifestec32c85e0ef8f2e6eb1701e117f8290a748ec7a711bac7d85942b27d86d832c5

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
Signaturesxjb0YGqVsaS3ARN+IdgXBT8ctnQRh0jZyEOOMlwLyg0qgpuI1R58AwBdvz03j1cciVBUSZBbI77y3Fn+XCBCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:48.622224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063691
observed 257b2174232cd12b7c2dabbeb14b36eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.601207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063691/manifest.json
observed ec32c85e0ef8f2e6eb1701e117f8290a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.581839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063691/publication.md
observed 47e7329f6bca27eced7a4d36b0a8938a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.561797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063691/publication.txt
observed a5e9862fb26bc6a8448bb2384f5782fd...
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.