OpenTechnical

OT-2026-000011163

Publication integrity record

Foam pad vacuum gripper, pump fed, sustained blow-off after 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-2026-000011163) never changes.

Identity and time

Publication numberOT-2026-000011163 · never reused
Internal UUID01a0ae6c-540f-7f5c-a07a-592f14d6e3d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011163
StatusPUBLIC

Content hashes

Canonical text06d12c110754dba9b268e7d22ebdf6e252d6203f5aee42af91e213ed2252cae8
Markdownbed7bb7853510814637115a6b601a1f12fb7ba5eebce9f3c667151d9cae54843
PDF
Publication page74b32f953b9c46e470aa59264722ea9113643d111700d73e59991387a797a292
Manifest46ed3359e167572271e2a87fc1c5a637b485bf384c8744e9e9022d6bd80a276c

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
SignatureCCy3DuYzoB9ezW3FxtgGsLbtf6QNtCtV+n1vJkc8E6MHyDLpOtBV6uf1IMQILpsm48qgqKXIuX1chUj1iTeNBA==
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

2026-09-17T12:14:05.919040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011163
observed 74b32f953b9c46e470aa59264722ea91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.900153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011163/manifest.json
observed 46ed3359e167572271e2a87fc1c5a637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.878387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011163/publication.md
observed bed7bb7853510814637115a6b601a1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.859467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011163/publication.txt
observed 06d12c110754dba9b268e7d22ebdf6e2...
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.