Pith Number

pith:KG6NBQBK

pith:2018:KG6NBQBKGMVH5GR54LKFIU4KJ3

not attested not anchored not stored refs pending

A 3D-printed alkali metal dispenser

Daniel S. Barker, Eric B. Norrgard, James A. Fedchak, Julia Scherschligt, Nikolai Klimov, Stephen P. Eckel

arxiv:1801.09612 v1 · 2018-01-29 · physics.ins-det · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KG6NBQBKGMVH5GR54LKFIU4KJ3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:15:36.757159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51bcd0c02a332a7e9a3de2d454538a4ec769c997e9bcc061efcd10a1d0e408ae

Aliases

arxiv: 1801.09612 · arxiv_version: 1801.09612v1 · doi: 10.48550/arxiv.1801.09612 · pith_short_12: KG6NBQBKGMVH · pith_short_16: KG6NBQBKGMVH5GR5 · pith_short_8: KG6NBQBK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KG6NBQBKGMVH5GR54LKFIU4KJ3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 51bcd0c02a332a7e9a3de2d454538a4ec769c997e9bcc061efcd10a1d0e408ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb1df889254d8e609868deeb640a9861d98ff1a87fd7495726d876dfbdf419e",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2018-01-29T16:44:15Z",
    "title_canon_sha256": "78f0e91ea965ced7d70617f4c82758c83c93347dc2d19fdef128eb4f5255ab6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09612",
    "kind": "arxiv",
    "version": 1
  }
}