OpenTechnical

OT-2026-000086976

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000086976) never changes.

Identity and time

Publication numberOT-2026-000086976 · never reused
Internal UUID01a0ae9a-80a5-7e21-8746-bd65b1e83c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086976
StatusPUBLIC

Content hashes

Canonical text897f942c5a50d352511f5ea65768a9a657086d8f9ae6ac36ff90c3e9bcc4f414
Markdowna4fa1295a6f97bde2147798a7aad8cbc0b25a05ac60b8a0fcca6a26139fdee6d
PDF
Publication pagefdfb474e208c23df8c36fd3aa6bb741c083b7ae945ddc9a410fbae17f58104e9
Manifest84c69a6e8416fad413acf36e0949ad79f7a2196057ccc5451f98a62b427554af

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
SignaturenNAPkXon0TkBWCTdcpifec79GQ0Dwesw1KHLPdGKSiesMXep+p2EEq2iosYqBQYKUMgMeF5Rh3aUKM3QPu08DQ==
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

2026-09-17T09:51:52.712046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086976
observed fdfb474e208c23df8c36fd3aa6bb741c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.694433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086976/manifest.json
observed 84c69a6e8416fad413acf36e0949ad79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.676433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086976/publication.md
observed a4fa1295a6f97bde2147798a7aad8cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.660321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086976/publication.txt
observed 897f942c5a50d352511f5ea65768a9a6...
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.