OpenTechnical

OT-2026-000048735

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000048735) never changes.

Identity and time

Publication numberOT-2026-000048735 · never reused
Internal UUID01a0ae80-c32c-728d-8c2c-9122388dd9ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048735
StatusPUBLIC

Content hashes

Canonical text8297f9af383ad4880e6729f0028b11180b085dd47bb31cb03932111103ffcce4
Markdown155861d01683732917715a023aec533505b30154208e2ad71d543ee049162c34
PDF
Publication page87ee262814acf8c4d6c61595962317ecd3403b7a1f959063923eb9cc3f2171da
Manifest3fdb90c75f26c46cfb59983fe7fc1133fe1de7d520178e308f448580bf1069d0

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
SignatureeynNFRukcj58ipIlWExxP8wtFFdkzW1yF+eyDxgJfb0inVtioPA9QjCrBx6P9CB+TnskxIONMiwIHUW9IBQTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:23.286708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048735
observed 87ee262814acf8c4d6c61595962317ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.264907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048735/manifest.json
observed 3fdb90c75f26c46cfb59983fe7fc1133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.242295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048735/publication.md
observed 155861d01683732917715a023aec5335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.217845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048735/publication.txt
observed 8297f9af383ad4880e6729f0028b1118...
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.