OpenTechnical

OT-2026-000059548

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000059548) never changes.

Identity and time

Publication numberOT-2026-000059548 · never reused
Internal UUID01a0ae89-ec23-7e6f-80d0-c6ed5d8452e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059548
StatusPUBLIC

Content hashes

Canonical text15b2af6d6a6c2ee1ef10be594d0e4671659cddb82e24bff63b8778951e6a4d2b
Markdowna5fcbba2a2a633eab9b898e986f42d0332101ea2da1e0f7107767bb5c426e94c
PDF
Publication page2e2b4347c78361d0c2733cc2c91ab55d913101710ac88e6fd5743fb4e7777454
Manifestf6afda43c639e7e59b2bfe1f85f5c7d71d8106b47ab9916ed2145376b98d8815

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
SignatureZDkJbdMzFSTDYASmKPZQoso5kS8nerrjGvdT8MX9ZZoXYYwrQXuY1S7N4XUK+/rrbWNVOhQI0ZlFc0wsDAvwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:11.212826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059548
observed 2e2b4347c78361d0c2733cc2c91ab55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.190963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059548/manifest.json
observed f6afda43c639e7e59b2bfe1f85f5c7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.172118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059548/publication.md
observed a5fcbba2a2a633eab9b898e986f42d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.150148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059548/publication.txt
observed 15b2af6d6a6c2ee1ef10be594d0e4671...
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.