OpenTechnical

OT-2026-000084403

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off before 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-2026-000084403) never changes.

Identity and time

Publication numberOT-2026-000084403 · never reused
Internal UUID01a0ae98-5b62-7e21-8c47-7796fa8f43c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084403
StatusPUBLIC

Content hashes

Canonical text7fa3b5b52f39a6bed3a1f2c257c2cb6f7b0ced92df5840f80718a45f8f339043
Markdownef0a56ea9737549d771b05be407652d87f17838e5b1088c5ea6263e30c8e185d
PDF
Publication page3f7468721fb76bb5888b4ee7613776bef15a27ee7a3ecf69970daa3ba99e6e20
Manifest011d7aa7c5723fe7b6fdc2123abdc67a02eacd36a36bf4ee7b2c70505dcdd22c

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
SignaturemAUjiLWSPXRsgE8nP8fDh4F+cFWPW/4yPCiIQd3Frxj5wIxc9aMqoGzUB80PZYC4OXGPSVphFnttsNp69iIzDw==
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

2026-09-17T09:56:20.950849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084403
observed 3f7468721fb76bb5888b4ee7613776be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.931085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084403/manifest.json
observed 011d7aa7c5723fe7b6fdc2123abdc67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.912916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084403/publication.md
observed ef0a56ea9737549d771b05be407652d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.894239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084403/publication.txt
observed 7fa3b5b52f39a6bed3a1f2c257c2cb6f...
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.