Pith Number

pith:EPFSXOB7

pith:2009:EPFSXOB7DSWF2CBCAEIVZSWTDC

not attested not anchored not stored refs pending

Exact solution for the energy density inside a one-dimensional non-static cavity with an arbitrary initial field state

Danilo T. Alves, Edney R. Granhen, Hector O. Silva, Mateus G. Lima

arxiv:0903.1305 v1 · 2009-03-06 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPFSXOB7DSWF2CBCAEIVZSWTDC}

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	2026-05-18T02:14:36.716303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23cb2bb83f1cac5d082201115ccad3189755db6e720842a0894b84d3a06fe9a6

Aliases

arxiv: 0903.1305 · arxiv_version: 0903.1305v1 · doi: 10.48550/arxiv.0903.1305 · pith_short_12: EPFSXOB7DSWF · pith_short_16: EPFSXOB7DSWF2CBC · pith_short_8: EPFSXOB7

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/EPFSXOB7DSWF2CBCAEIVZSWTDC \
  | 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: 23cb2bb83f1cac5d082201115ccad3189755db6e720842a0894b84d3a06fe9a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b94f9145c803421b515196b2bbad87d1f9e4ea94d97c2c039472af8c936307d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-03-06T22:25:41Z",
    "title_canon_sha256": "eec8f536142c75efeac2d6c72218c0bf1687b8fde1e45d829f7c86ee7da400c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1305",
    "kind": "arxiv",
    "version": 1
  }
}