OpenTechnical

OT-2026-000069428

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000069428) never changes.

Identity and time

Publication numberOT-2026-000069428 · never reused
Internal UUID01a0ae90-b52a-70a2-bdca-e57e6cf8b165 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069428
StatusPUBLIC

Content hashes

Canonical text0427225f00e0de78acd7786b4c0c20b56d0eb3a31384eac8a62db217bcb4ec49
Markdown12536480979aebb9fd8a2c909e168ec1c405beb2cd00af2ab001d93638363aa6
PDF
Publication page35490aa687b29020cadefa7de5e882eaa9a8e271a221919f9412413539016b97
Manifestbf1f2d2c29dd612bafcb6396005363cd4cbb2070bafc1ed3a7c4f7329f4b5e8b

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
SignaturexEKFkb7reQIjvxkmMIpp/PkDt7RqeMTx9AjcZxsAfKfg43yw62tB5YmGHTRBwnqkSuISAq/r0AeP43bWDUZ6Dg==
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

2026-09-17T10:30:22.306707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428
observed 35490aa687b29020cadefa7de5e882ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.286487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428/manifest.json
observed bf1f2d2c29dd612bafcb6396005363cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.247705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428/publication.md
observed 12536480979aebb9fd8a2c909e168ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.224671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428/publication.txt
observed 0427225f00e0de78acd7786b4c0c20b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.382754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428
observed 35490aa687b29020cadefa7de5e882ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.365719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428/manifest.json
observed bf1f2d2c29dd612bafcb6396005363cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.350433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428/publication.md
observed 12536480979aebb9fd8a2c909e168ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.334133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069428/publication.txt
observed 0427225f00e0de78acd7786b4c0c20b5...
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.