OpenTechnical

OT-2026-000044860

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000044860) never changes.

Identity and time

Publication numberOT-2026-000044860 · never reused
Internal UUID01a0ae7c-911b-7ea4-9fab-2e4a10d170bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044860
StatusPUBLIC

Content hashes

Canonical text9968334425b9c7febfe320be3f528d52b71a03ffb8bdac4f17ab5b2f509a3d2a
Markdown891a31fcbc3425ed17451cac83c37ab9521f579f268ea10f3831e61a10af8a70
PDF
Publication page38256edc523150e34f1b984c827cd78d04609bcd3a67babd6bff68cee0af07d3
Manifest2077c381e8e41ef3c3df5cf4f489c2b843963c885b4bfff4f01bb5cac33b15d5

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
SignaturecmhJdkEQJ4DDn9+yYKeGRFhv7OWw6E/Z3dq7PdKdT9lRJIRidHVc2pnflDADQ2ShCWGvf4+pOGUtKw41fBh/Aw==
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

2026-09-17T11:11:30.617470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044860
observed 38256edc523150e34f1b984c827cd78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.600128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044860/manifest.json
observed 2077c381e8e41ef3c3df5cf4f489c2b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.581510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044860/publication.md
observed 891a31fcbc3425ed17451cac83c37ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.562543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044860/publication.txt
observed 9968334425b9c7febfe320be3f528d52...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent