OpenTechnical

OT-2026-000026828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000026828) never changes.

Identity and time

Publication numberOT-2026-000026828 · never reused
Internal UUID01a0ae72-3452-75be-b4f0-8041c5a537de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026828
StatusPUBLIC

Content hashes

Canonical text55c51768a36787acdb8308ed99ccc75219fca4263eff119146b51e23b17684bd
Markdowne4a3867af80087f6c632c963537c678bfa34c44d313f9b3dd4592ddae1a46a26
PDF
Publication pageef346f8f3c80b427a2e46e520d9c11f16640718dd084f2c6893ac0081c692eef
Manifest37d57a5c65c3f8f9c104fb03e2d5979154a0dcce4fe6c39804a8127e96dd65d3

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
SignatureNVSoVHks7napcgnWJh4dZ+XRAQYM4g6i1NmOt/SEwJEb7zjGpTkP6IEdt3BGdO215MchdRG42TfZVTiPzOBXAA==
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

2026-09-17T11:43:24.706971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026828
observed ef346f8f3c80b427a2e46e520d9c11f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.689841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026828/manifest.json
observed 37d57a5c65c3f8f9c104fb03e2d59791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.671786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026828/publication.md
observed e4a3867af80087f6c632c963537c678b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.656026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026828/publication.txt
observed 55c51768a36787acdb8308ed99ccc752...
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.