Pith Number

pith:6QARWDBL

pith:2013:6QARWDBLA4SNXFU36T4W6YQX4U

not attested not anchored not stored refs pending

Negative Energy: Why Interdisciplinary Physics Requires Multiple Ontologies

Benjamin D. Geller, Benjamin W. Dreyfus, Chandra Turpen, Edward F. Redish, Julia Gouvea, Vashti Sawtelle

arxiv:1307.5106 v2 · 2013-07-19 · physics.ed-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{6QARWDBLA4SNXFU36T4W6YQX4U}

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	2026-05-18T02:52:04.199661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4011b0c2b0724db969bf4f96f6217e53de8a70fe8e3f711b267b4260f6d556f

Aliases

arxiv: 1307.5106 · arxiv_version: 1307.5106v2 · doi: 10.48550/arxiv.1307.5106 · pith_short_12: 6QARWDBLA4SN · pith_short_16: 6QARWDBLA4SNXFU3 · pith_short_8: 6QARWDBL

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/6QARWDBLA4SNXFU36T4W6YQX4U \
  | 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: f4011b0c2b0724db969bf4f96f6217e53de8a70fe8e3f711b267b4260f6d556f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb70a2b8250a17701086cf8c0ee3d0dee6958490c1a6020a62a0e73f8dd3a10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-07-19T00:31:43Z",
    "title_canon_sha256": "0c780e30af6b9c8015ccce1dbf4433f34c6cf2a4b5df228d5f510ffb42841d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5106",
    "kind": "arxiv",
    "version": 2
  }
}