OpenTechnical

OT-2026-000078812

Publication integrity record

Single bellows cup vacuum gripper, pump fed, vented 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-2026-000078812) never changes.

Identity and time

Publication numberOT-2026-000078812 · never reused
Internal UUID01a0ae95-ccbd-77b1-a39e-f38ab327a281 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078812
StatusPUBLIC

Content hashes

Canonical text3205b6ac6a9ad9f777eaa79815f2d1eab8828ede1156262ab48c195f5f2cc28f
Markdown536ff2f272b2706bb9fbb2350baca406c5e70e9b4f534f17fe5b8ebe2f4c84de
PDF
Publication page26d74b3a5dbdae8200c4c33fcd7f1b1ccc023367726c71131b73981ce6f6af74
Manifestd93d2083813cce6dbfe7dbc034131804b9ca016dfb6c0933f318a06664e2bef2

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
Signature6coo2hvBc2nBi+ob88WT6nfEDOnk+gvUihoGOiEptqEgvKwaregIpImS/sR9Nf0pYGTwNabOha2mE8MDFXW5Bg==
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

2026-09-17T10:05:36.275972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078812
observed 26d74b3a5dbdae8200c4c33fcd7f1b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.256433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078812/manifest.json
observed d93d2083813cce6dbfe7dbc034131804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.237644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078812/publication.md
observed 536ff2f272b2706bb9fbb2350baca406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.218299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078812/publication.txt
observed 3205b6ac6a9ad9f777eaa79815f2d1ea...
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.