OpenTechnical

OT-2026-000089418

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089418) never changes.

Identity and time

Publication numberOT-2026-000089418 · never reused
Internal UUID01a0ae9b-db02-761a-83fd-25f989ec6ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089418
StatusPUBLIC

Content hashes

Canonical text7bc91eb5f5175d5b1f061549dceb21fa9058c01516cad8d8258ce7b0f09f16a9
Markdownaa16a32e9cc911a28bc961421fc3f55dfdd8e76f661fa043e3c8904a66f18e5c
PDF
Publication pagee8480849e2fab3aff428cce3284348e140b35d090fe5d7b37fb8c7f0fc92f0c1
Manifestb2e7a23672bd22a4b3ea60c00322099d3b3d9ac6ef74808d095c8cb5ada5ceb6

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
Signaturer8H3D2tPo8QnxPB4bU2CjBoE0/c/VICdZoPwEUtslvwvZOCm45ftzh8tdIt8uBGjVwk5BB4muHRAx5CIEBOFAQ==
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

2026-09-17T09:47:33.611321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089418
observed e8480849e2fab3aff428cce3284348e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.594462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089418/manifest.json
observed b2e7a23672bd22a4b3ea60c00322099d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.576834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089418/publication.md
observed aa16a32e9cc911a28bc961421fc3f55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.559767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089418/publication.txt
observed 7bc91eb5f5175d5b1f061549dceb21fa...
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.