OpenTechnical

OT-2026-000077455

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077455) never changes.

Identity and time

Publication numberOT-2026-000077455 · never reused
Internal UUID01a0ae94-f509-73f1-b838-c23252dbf978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077455
StatusPUBLIC

Content hashes

Canonical text364308fe07f3c82d895a39f4c48f13f8a33ce6d24bb294098810d74391768b93
Markdownd1fd7f10f7779c91a0741de305665c86c24bdafd6b1be9e985ac1aead5d9a671
PDF
Publication pageb99101597bc16c738bec657061310d8fe4af320ee2b03c5522177cc97d101042
Manifest92e651741e3be3093cfe56aaa1c7ba8311df6aba73a2285cb1a32401b0f98a8e

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
Signaturedq6y1w68/QoZzYOsn112j1kzepFhZ6Kv+PHEyIZhaYX2Qn/3S9WXYHtfnfWgmLV7leF07rhBnGA5gCofX/3TDw==
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

2026-09-17T10:09:08.448271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077455
observed b99101597bc16c738bec657061310d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.428587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077455/manifest.json
observed 92e651741e3be3093cfe56aaa1c7ba83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.412073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077455/publication.md
observed d1fd7f10f7779c91a0741de305665c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.396091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077455/publication.txt
observed 364308fe07f3c82d895a39f4c48f13f8...
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.