OpenTechnical

OT-2026-000012127

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000012127) never changes.

Identity and time

Publication numberOT-2026-000012127 · never reused
Internal UUID01a0ae6d-39f4-7385-837d-84cee65eda47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012127
StatusPUBLIC

Content hashes

Canonical text14668daaf79f26541135ab5fd8084189a77ceeb762e4a94b79544a0d3affa813
Markdownb2c9e6223d0357315bafb16f839513299b2714b9cae2e3ede8e06d9d0f18f165
PDF
Publication page5b92eb4e87bc309970dc966809ad2f8de8269e2c9f92ddf39fb00660791029cb
Manifest3f60cc6eac2c5acb6430f39b316c0859cb8b7353442ea78865b6bb028f056266

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
Signature7Twzu2U8vocGyZdK+2gjcATy4eHOansLsrln+l9lJyyPNJILiXJDMZR2z79G+P97ThwxxKNqFOuLOFq4qfZjDg==
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

2026-09-17T12:11:00.733008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012127
observed 5b92eb4e87bc309970dc966809ad2f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.711176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012127/manifest.json
observed 3f60cc6eac2c5acb6430f39b316c0859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.689362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012127/publication.md
observed b2c9e6223d0357315bafb16f83951329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.668963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012127/publication.txt
observed 14668daaf79f26541135ab5fd8084189...
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.