OpenTechnical

OT-2026-000007495

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified at each zone, closed cell

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-2026-000007495) never changes.

Identity and time

Publication numberOT-2026-000007495 · never reused
Internal UUID01a0a980-e75e-7575-bd8d-50cd953db9b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:16:32.481087Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007495
StatusPUBLIC

Content hashes

Canonical text3d56c4bb76e71496b8c83dec0526763dc0ee77d84dfdeaec3af369433281bbf6
Markdowna01544716509d4cc6384cb66e895160249199633f51af0bfaa1e0c28028614ea
PDF
Publication page01747fde2b6d5ce4845757c58d6da5c61b7da87557964575a041c06c5a0c446e
Manifestcfad885d072fd4e47c4bc35da5a2d9baeb0fc3dde4bb3ae87cdc3f6f0b30dce4

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
Signature0WY448NU18luFb8fRnCWorFC3sEGhTC1aXKATfZDcLFBpVLA0k5jizpR+QUC05k2vSerRQwBMKYcblVLl89bAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:02.160564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007495
observed 01747fde2b6d5ce4845757c58d6da5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.145588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007495/manifest.json
observed cfad885d072fd4e47c4bc35da5a2d9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.126015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007495/publication.md
observed a01544716509d4cc6384cb66e8951602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.113674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007495/publication.txt
observed 3d56c4bb76e71496b8c83dec0526763d...
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.