Pith Number

pith:BG2E2F23

pith:2013:BG2E2F23JYACJB5WXUVBNRDC4I

not attested not anchored not stored refs pending

Observing the Onset of Effective Mass

Aephraim M. Steinberg, Alex Hayat, Chao Zhuang, Federico Duque-Gomez, J. E. Sipe, Matin Hallaji, Ramon Ramos, Rockson Chang, Shreyas Potnis

arxiv:1303.1139 v1 · 2013-03-05 · quant-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{BG2E2F23JYACJB5WXUVBNRDC4I}

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	2026-05-18T02:43:16.621963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09b44d175b4e002487b6bd2a16c462e233dd3e7e793d3b69a7948208863fcaae

Aliases

arxiv: 1303.1139 · arxiv_version: 1303.1139v1 · doi: 10.48550/arxiv.1303.1139 · pith_short_12: BG2E2F23JYAC · pith_short_16: BG2E2F23JYACJB5W · pith_short_8: BG2E2F23

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/BG2E2F23JYACJB5WXUVBNRDC4I \
  | 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: 09b44d175b4e002487b6bd2a16c462e233dd3e7e793d3b69a7948208863fcaae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9b6fca7bf0d384bd0773de8805181b355d79163b2064a4bf4d5651c317fdbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-05T18:49:52Z",
    "title_canon_sha256": "fe8f62b4cc92a26c4880eb40ce997d8a7f493e5f357ae6129a4892b06a0ca049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1139",
    "kind": "arxiv",
    "version": 1
  }
}