OpenTechnical

OT-2026-000035771

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000035771) never changes.

Identity and time

Publication numberOT-2026-000035771 · never reused
Internal UUID01a0ae76-b4c8-73fd-a4c8-5e1e6e00243f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035771
StatusPUBLIC

Content hashes

Canonical text4cb574854687eed257a6c20e1ee43fef4601b90840fbeb5ca6b4d4778c07fc76
Markdownbe8610f7322f2be24f25d9f7ed739d6cc71aaeb005aa7509b1ca6db229916ee3
PDF
Publication pagef426000103f58db923dfcd837b89477d35ee6f957da8bbfe447c3b7dd19b390a
Manifestae46db8a9a65dceec604b8fab8cbc260703ef02ce96763285726656892782d25

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
Signature6sU28m80cVT5cZ7Y0/poV+00IbzlXoEDS6R7dxNnUwTFVlqp8zFbTrRDxOoTHoepZTZokTiJDaXdnhC4MY5hBA==
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

2026-09-17T11:27:28.249811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035771
observed f426000103f58db923dfcd837b89477d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:28.231710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035771/manifest.json
observed ae46db8a9a65dceec604b8fab8cbc260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:28.212889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035771/publication.md
observed be8610f7322f2be24f25d9f7ed739d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:28.197007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035771/publication.txt
observed 4cb574854687eed257a6c20e1ee43fef...
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.