OpenTechnical

OT-2026-000010500

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, vented 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-2026-000010500) never changes.

Identity and time

Publication numberOT-2026-000010500 · never reused
Internal UUID01a0ae6c-0ee7-7fd4-a3a9-786f31f35bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010500
StatusPUBLIC

Content hashes

Canonical text7d36ca17f44eb5a5f7fd1bd365259a5e698c8b180d4da04de576d0c534c75125
Markdowne83655852b42553a98645cde6f84e5c8541c11a1235ccd5a7e2714fb5bf38229
PDF
Publication page41362252a67e6fb6b0ac40663ce1cb5e1e4e864b99fe5403829b372fb6afc59f
Manifest57d1b7e7e388470a4a061c253d3f5a998c3cb8732415cbf63feef519542c0451

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
SignatureWRMUwXn1uZZKXn+r5cXqk+ZxuPekvFy1myYBFzqvcaz5gAf3YPPUaz1BV9bCHMBzT0xyC2k5gpcAyePacf6mBg==
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

2026-09-17T12:14:39.215529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010500
observed 41362252a67e6fb6b0ac40663ce1cb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.195806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010500/manifest.json
observed 57d1b7e7e388470a4a061c253d3f5a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.178863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010500/publication.md
observed e83655852b42553a98645cde6f84e5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.157292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010500/publication.txt
observed 7d36ca17f44eb5a5f7fd1bd365259a5e...
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.