Pith Number

pith:RJGPBY5Q

pith:1999:RJGPBY5QQAJF2656N7FCB6OF6U

not attested not anchored not stored refs pending

Characterization of the State of Hydrogen

Burkhard Militzer, David Ceperley, William Magro

arxiv:physics/9910010 v1 · 1999-10-08 · physics.plasm-ph · physics.comp-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{RJGPBY5QQAJF2656N7FCB6OF6U}

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	2026-05-18T01:38:04.073931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a4cf0e3b080125d7bbe6fca20f9c5f537386b14a8288a8be5ca5f4c9a3b812c

Aliases

arxiv: physics/9910010 · arxiv_version: physics/9910010v1 · doi: 10.48550/arxiv.physics/9910010 · pith_short_12: RJGPBY5QQAJF · pith_short_16: RJGPBY5QQAJF2656 · pith_short_8: RJGPBY5Q

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/RJGPBY5QQAJF2656N7FCB6OF6U \
  | 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: 8a4cf0e3b080125d7bbe6fca20f9c5f537386b14a8288a8be5ca5f4c9a3b812c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96f0a712331bda25015be9e25bbabf82bf910fd6502d24d94ae8ebcb7af95cc0",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "1999-10-08T18:06:25Z",
    "title_canon_sha256": "f45947484db320677430e796af16cf5c03fec23981f9968fa7e675d9325aa93a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9910010",
    "kind": "arxiv",
    "version": 1
  }
}