OpenTechnical

OT-2026-000071044

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000071044) never changes.

Identity and time

Publication numberOT-2026-000071044 · never reused
Internal UUID01a0ae91-8c2e-77f0-90a6-a732a7806f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071044
StatusPUBLIC

Content hashes

Canonical textf4713cb3d4e4b512851fb7c1a70121365cd43a1ad42dad64d3139975553da42b
Markdown5fe213845952ff0d24b7ba0d4f9879985059780c970fe6225f1e3a3b81ed54a7
PDF
Publication pagec238053eebc4f1409b7ed97d53960f70c4a428d52084e23ebd3ca188abe4b940
Manifest710c991587fdc75b8ed1d94a7c10be192c6436c5c58dcc42445c563ecb2006f1

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
SignatureUrJWMdoei64BuaXiF87tGUHT7wsa/AKFpIei936ebhxgYaSgTN5BBfgehK57yVChx0tjt7H/vHFk3dN2pKOvCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:53.992308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071044
observed c238053eebc4f1409b7ed97d53960f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.975483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071044/manifest.json
observed 710c991587fdc75b8ed1d94a7c10be19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.957752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071044/publication.md
observed 5fe213845952ff0d24b7ba0d4f987998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.940764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071044/publication.txt
observed f4713cb3d4e4b512851fb7c1a7012136...
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.