OpenTechnical

OT-2026-000043107

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000043107) never changes.

Identity and time

Publication numberOT-2026-000043107 · never reused
Internal UUID01a0ae7b-327a-7fc7-bf85-9eb325c31f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043107
StatusPUBLIC

Content hashes

Canonical textd3b1893f1bcddaa642d0f36c9cddd30b899d4421e189ecbaffa36bf1f4b0d368
Markdownf511f4575be3b0bb50cc23ab3cdd1b4bcc372976c12cbf9763163d76f799e6ee
PDF
Publication pageb8590cf63e01415596f5d4e5b04cc774f1d71e193a8b6bd794107ff331941229
Manifestfe3fa8e14349e5104a05ab68467d122bcdcbe1974dccce717a2dc9c06bb75d8c

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
SignatureKjEVsTiWu9/1mt+NbkxxkuhAlPdFmJpM0OOKFWF2As4y9jY50t8hD3pt8NUEeWyT2nPDZafy2KVgfH1W7jRlAw==
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

2026-09-17T11:13:31.913174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043107
observed b8590cf63e01415596f5d4e5b04cc774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.894511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043107/manifest.json
observed fe3fa8e14349e5104a05ab68467d122b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.876276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043107/publication.md
observed f511f4575be3b0bb50cc23ab3cdd1b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.857884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043107/publication.txt
observed d3b1893f1bcddaa642d0f36c9cddd30b...
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.