OpenTechnical

OT-2026-000068196

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000068196) never changes.

Identity and time

Publication numberOT-2026-000068196 · never reused
Internal UUID01a0ae8f-c4ff-7486-9e1d-6faba7a28829 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068196
StatusPUBLIC

Content hashes

Canonical text5a144eba6f05481685579e4c21be44266e0e2489afec91fec2a41358077bbe64
Markdownc174a6dfa14d53e911e5119a47d7f444889e054d619f061930c7f40234275d8a
PDF
Publication pagea6ab11181e849136545b6df4af339ffc58795fcb86b602ef2230cfe2f6a625f5
Manifest512c03520d1279de49fa68ca2a0ccd9316fcef8ab04d7c5531c3b96d0acb8564

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
Signatureg/hqOo3rzaM5xXEPDHaz/GF+1lv4rpnNBJ8R7/MkND8trcb2U7k+dIVUWinBYjEsQB9k0T15KaZwc/NyrxqTBg==
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

2026-09-17T10:30:51.460486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068196
observed a6ab11181e849136545b6df4af339ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.443416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068196/manifest.json
observed 512c03520d1279de49fa68ca2a0ccd93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.426107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068196/publication.md
observed c174a6dfa14d53e911e5119a47d7f444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.408031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068196/publication.txt
observed 5a144eba6f05481685579e4c21be4426...
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.