OpenTechnical

OT-2026-000033707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000033707) never changes.

Identity and time

Publication numberOT-2026-000033707 · never reused
Internal UUID01a0ae75-a390-7c1c-bd03-04b99da8d8d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033707
StatusPUBLIC

Content hashes

Canonical textb07059f699081ed3db9fd83a0799c84a81f7a3041aa7b319ec4d20bcbc5e981d
Markdown59d33807b3b43171f4738db5ca24f20edc1447d11eb32eb68892a9915cb5de2d
PDF
Publication pagedfd8d6b78faf997c21add412b93be010e41cac0417b7f58721506453cc8dd798
Manifest068f5e1c44e575d4710ef83fed6cad56dda188369fd3911e48d4306eceeabd71

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
SignatureEZ/c2ZWfzy3Vn8DUAHHcmJIRAnZ6ulIDUlbDLoWGxgwOEx7ngGowGNpCynKZK1yn3x4GDoINf8oCXzWTmwh1Ag==
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

2026-09-17T11:31:42.321155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033707
observed dfd8d6b78faf997c21add412b93be010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.301052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033707/manifest.json
observed 068f5e1c44e575d4710ef83fed6cad56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.282877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033707/publication.md
observed 59d33807b3b43171f4738db5ca24f20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.264077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033707/publication.txt
observed b07059f699081ed3db9fd83a0799c84a...
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.