OpenTechnical

OT-2026-000041277

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041277) never changes.

Identity and time

Publication numberOT-2026-000041277 · never reused
Internal UUID01a0ae79-b144-7237-a42b-feffd9c9c0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041277
StatusPUBLIC

Content hashes

Canonical textf8d75ea7a75226ce3072edf011cad368c7c70f0a665041dd3bf51c53e484e708
Markdownc5db9a893a479c0dd5c43d81d00479cf1e42ea3566c83f40b00880f3dad43433
PDF
Publication paged3fe8aba7348731f4ea6ceb479028622a4ec113b34557417c4170459282cbb50
Manifeste344f2fae0ff3ba23d034ea02deaf3885f9a1fcaa75032dfd7bb023d9a1a7a4f

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
SignatureNKkV2EXmtf5SswxgieJFS4xI5UjmhMMzr/DB/pJkmGO9yozd2MlzHQ2JpcbMuvH0l0WNpgfjLzraDJ5GwYwKBA==
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

2026-09-17T11:17:15.261124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041277
observed d3fe8aba7348731f4ea6ceb479028622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.242853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041277/manifest.json
observed e344f2fae0ff3ba23d034ea02deaf388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.224000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041277/publication.md
observed c5db9a893a479c0dd5c43d81d00479cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.204730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041277/publication.txt
observed f8d75ea7a75226ce3072edf011cad368...
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.