OpenTechnical

OT-2026-000070668

Publication integrity record

Single bellows cup vacuum gripper, pump fed, vented 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-2026-000070668) never changes.

Identity and time

Publication numberOT-2026-000070668 · never reused
Internal UUID01a0ae91-8c2c-7b3c-970e-de17bcce92ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070668
StatusPUBLIC

Content hashes

Canonical texte289583d29d304b6dd801bf5799b76ecabb348d3a3eec08bbac191c5cc8715cc
Markdowncc8ca2e32f4833a47e06bf50eaeeebad37cc22a45d0dda23b97a65bc93bc3a44
PDF
Publication pagef8c4574a470e0f0b96b617ce8f4d20fa8fe722413eb92f356f6f68a143c3222e
Manifest73117babd073a4c71ed51922223c59c76471fcfcb74edb8bc69ab69216759383

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
Signatureb/x6YR4GhcJGQ1f3r63Zw0K0MaQT2AWPetBhw3ps2fx1cYF3Plki7Rt39VL8HTKXMwmCbJ3pjVYNfx/8/gRyBw==
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

2026-09-17T10:25:20.689260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070668
observed f8c4574a470e0f0b96b617ce8f4d20fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.671664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070668/manifest.json
observed 73117babd073a4c71ed51922223c59c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.620878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070668/publication.md
observed cc8ca2e32f4833a47e06bf50eaeeebad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.571710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070668/publication.txt
observed e289583d29d304b6dd801bf5799b76ec...
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.