OpenTechnical

OT-2026-000020692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000020692) never changes.

Identity and time

Publication numberOT-2026-000020692 · never reused
Internal UUID01a0ae6f-65e2-7732-b5dd-500065f2be74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020692
StatusPUBLIC

Content hashes

Canonical textc833dd1f172ba804a9893094ade3f111ae04178238592fd4d0a65c856c661317
Markdown3f67bbdd181595def76cd1bc3157357569965055488e41157d334b9f3dd47ed0
PDF
Publication page69f793edf6043106b5aa2223cf6808942bfc6c154cb09384876a91d9c5ec7291
Manifest62e8b780a27c0c2b1a693bbf46ff36e1a5760f242f4aa08c080a5855244d7b3e

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
Signatures8s2gRH3PxqainnOdu1vs7fAHs09VJ7V7NSCepvVRKD/gZ1hkDXc8CTdZcTSEQRby1spaV+OM7xNMmxGuODVCA==
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

2026-09-17T11:55:44.106592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020692
observed 69f793edf6043106b5aa2223cf680894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.084412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020692/manifest.json
observed 62e8b780a27c0c2b1a693bbf46ff36e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.065695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020692/publication.md
observed 3f67bbdd181595def76cd1bc31573575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.046184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020692/publication.txt
observed c833dd1f172ba804a9893094ade3f111...
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.