OpenTechnical

OT-2026-000069840

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000069840) never changes.

Identity and time

Publication numberOT-2026-000069840 · never reused
Internal UUID01a0ae91-185f-7d15-bb2c-c1008711daea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069840
StatusPUBLIC

Content hashes

Canonical textad50d1cdc692c1413e17f96bc6202b004f8f9060010c442ed0f72e4e860a8cb8
Markdown5ef572be5502d5790dfc295018d4858c51eaf928a5839853254752ff84586358
PDF
Publication page1e0fa6c9fcf3b7311ae4c5675ddb953b3fc41c9ea0f922f5de544fe49bbac931
Manifestf19fde34b93300e38f39c924f835c4605f5d4386dabd619b3855af6d04f845bd

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
SignatureSsm27ctx8DMdu9ds1H+8ikFfYlrFlq9AH2TNhv5KDstLdR+q4v0arXi1uVJP/UrlXmUux+Tliazq+kMydGJpCw==
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

2026-09-17T10:26:40.340110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069840
observed 1e0fa6c9fcf3b7311ae4c5675ddb953b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.322382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069840/manifest.json
observed f19fde34b93300e38f39c924f835c460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.304706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069840/publication.md
observed 5ef572be5502d5790dfc295018d4858c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.288636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069840/publication.txt
observed ad50d1cdc692c1413e17f96bc6202b00...
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.