OpenTechnical

OT-2026-000037602

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000037602) never changes.

Identity and time

Publication numberOT-2026-000037602 · never reused
Internal UUID01a0ae77-b8cf-7f67-87ab-c513dcf421d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037602
StatusPUBLIC

Content hashes

Canonical text376946c3d22c87decf3094170d6bc328b8456f1d63ef5d9c3df9a66a5374d28d
Markdownadaf8b39670c3e6596221f339985446d6b8cd6c35679deccc38c5be0fcd943f7
PDF
Publication page62ba8d435d2c4ac5df2615684edfd96fda785e43f7bb4e4ce6f5800b79ab1f09
Manifeste8cab1f3a1fdf3ee39de5237a35de8db30e6c1f1487c2233cd9744f199776c05

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
SignatureHZk5JWKxHEsNvWDPDmSVv7b59Yu8+CCChPy/XSzfPxwnGHz6UabLeGBNINBvPZn/QNZT9/Y7693GXrfrm9pzBQ==
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

2026-09-17T11:24:09.391588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037602
observed 62ba8d435d2c4ac5df2615684edfd96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:09.375609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037602/manifest.json
observed e8cab1f3a1fdf3ee39de5237a35de8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:09.358941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037602/publication.md
observed adaf8b39670c3e6596221f339985446d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:09.343134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037602/publication.txt
observed 376946c3d22c87decf3094170d6bc328...
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.