OpenTechnical

OT-2026-000011843

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000011843) never changes.

Identity and time

Publication numberOT-2026-000011843 · never reused
Internal UUID01a0ae6d-1941-7806-b8b1-a3ab2dd8d2e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011843
StatusPUBLIC

Content hashes

Canonical textf1abb63653dbd4312a040db658521547e7a1a23e442b85649c36b81df7ef0712
Markdownacf32ddecfaf961514a5285e6a69a0267913e37f5423b64a7f8551830276ce57
PDF
Publication pageb523f3abde2e22837319db945da1e05c70e0420ad196a218e75549fbeb7ad56b
Manifest510493d3af63cc15ebf3adfed7b228ee1c83265af23670bc2d60b866a980723c

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
SignatureYkK4xkQDHfaiE/kSVJnp93BeEiwxehMVESsygCU77cMaTm5fGk+qwgdIhQgw42kMGbdd25RcU2sjKNvxRwoEDw==
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

2026-09-17T12:12:34.938854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011843
observed b523f3abde2e22837319db945da1e05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.920127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011843/manifest.json
observed 510493d3af63cc15ebf3adfed7b228ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.902477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011843/publication.md
observed acf32ddecfaf961514a5285e6a69a026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.885903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011843/publication.txt
observed f1abb63653dbd4312a040db658521547...
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.