OpenTechnical

OT-2026-000080459

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000080459) never changes.

Identity and time

Publication numberOT-2026-000080459 · never reused
Internal UUID01a0ae96-7e78-7fe3-ab4d-47abdc0aa2f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080459
StatusPUBLIC

Content hashes

Canonical text7bc7004caf4492fa790eb5c1b8e97e86e0f9e698a82aa36d416837fcbacdb4a0
Markdownfa6c12aeeac7b08e82d2a7052ed5d62ee4a3efd9c5c71b54aa1cc4a5f38c8f7f
PDF
Publication page6be3cb96fec19fa803f4e8af4399af20e7e1ee458eb05c7128fa15ed49df5783
Manifestdc2ee5833051223f459903b767b8c9d29d5dca68034ede496b6cef9274805d34

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
Signature/QcyS0QWvVuAIV1GXZ7IFKm/jZn2LgpdQq71Vb1zxFWu5jKIyFYYNpvzp3M8APTHoUoG3bIUJLrs9383lMWsCA==
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

2026-09-17T10:02:58.729852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080459
observed 6be3cb96fec19fa803f4e8af4399af20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.711715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080459/manifest.json
observed dc2ee5833051223f459903b767b8c9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.693333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080459/publication.md
observed fa6c12aeeac7b08e82d2a7052ed5d62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.675770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080459/publication.txt
observed 7bc7004caf4492fa790eb5c1b8e97e86...
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.