OpenTechnical

OT-2026-000067873

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067873) never changes.

Identity and time

Publication numberOT-2026-000067873 · never reused
Internal UUID01a0ae8f-c4fc-7af1-81c8-35c9103c54cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067873
StatusPUBLIC

Content hashes

Canonical text3b499109b55e6764ee10391c4f1efe2688d8c9cd586058e81ebaefa561fd4f24
Markdown1397f1b93ecdf87f0a55d4361adec2281e66c8127fc648989c8421dfc88a6294
PDF
Publication page4707d3d91aa53213ed7d8ddc07b9fb033a10393fa4e5f02c5327398e8893c153
Manifest48d04c75e76c90a4479d5108f817f45f91c32cb40b686b269b7768a782139f9c

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
SignatureHT1KYraEKJeXaVXeNIx8ujJecfitkt4Hl/aopfQlwCE/AaPTlTnFrmXK55uHPV3fz4VaiHWTr9HidLcNlOtLAA==
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

2026-09-17T10:30:15.647584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067873
observed 4707d3d91aa53213ed7d8ddc07b9fb03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.626716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067873/manifest.json
observed 48d04c75e76c90a4479d5108f817f45f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.603279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067873/publication.md
observed 1397f1b93ecdf87f0a55d4361adec228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.585016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067873/publication.txt
observed 3b499109b55e6764ee10391c4f1efe26...
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.