OpenTechnical

OT-2026-000061256

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000061256) never changes.

Identity and time

Publication numberOT-2026-000061256 · never reused
Internal UUID01a0ae8b-1382-7011-b1c0-c16d1a532048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061256
StatusPUBLIC

Content hashes

Canonical texte82b4ceaad1d97dcbc39dcf9eaea00ebc680f3503fe59a5cbef5199c6b7644d5
Markdownca2df9af5873d0e79574df2613fa02dd5460be641c9756f1e8f59ee8d175eb14
PDF
Publication page9b20f93ed0ce9114f32e4c6dc38a8ff13f735db3d1ac6feddb90265bf960879f
Manifest45e8e95afb6cb31b56b7504e3a7775391aedbbaec6654f73389173c9bb2ae8ec

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
SignatureuF0dol41FOgUICXIyCEhpFJcvvTHEEUAgQGW1Q0HuATuwyr+nfenTetHx9A6WMJ5IknB7r9I4nXv9hTe8Y6RDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:40.381316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061256
observed 9b20f93ed0ce9114f32e4c6dc38a8ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.364676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061256/manifest.json
observed 45e8e95afb6cb31b56b7504e3a777539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.346064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061256/publication.md
observed ca2df9af5873d0e79574df2613fa02dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.324821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061256/publication.txt
observed e82b4ceaad1d97dcbc39dcf9eaea00eb...
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.