Pith Number

pith:HL4K6BWV

pith:2004:HL4K6BWVW3WBADUBEPKPKCNQ4X

not attested not anchored not stored refs pending

Quantum mechanics in curved space-time

C.C. Barros Jr

arxiv:physics/0409064 v3 · 2004-09-13 · physics.gen-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{HL4K6BWVW3WBADUBEPKPKCNQ4X}

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	2026-05-18T04:13:27.174426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3af8af06d5b6ec100e8123d4f509b0e5cdcf52027eb7bb25ecf9439ce94eb960

Aliases

arxiv: physics/0409064 · arxiv_version: physics/0409064v3 · doi: 10.48550/arxiv.physics/0409064 · pith_short_12: HL4K6BWVW3WB · pith_short_16: HL4K6BWVW3WBADUB · pith_short_8: HL4K6BWV

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/HL4K6BWVW3WBADUBEPKPKCNQ4X \
  | 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: 3af8af06d5b6ec100e8123d4f509b0e5cdcf52027eb7bb25ecf9439ce94eb960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0f81f72c16ec74ad4f74f9c567a7f7206a6037df0092ff689f4d9d686f0b087",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2004-09-13T21:28:33Z",
    "title_canon_sha256": "9bbd6b85f1105be694dcba89ca9cfaac03c5b4ec94e20a419efdc381b0f5f5d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0409064",
    "kind": "arxiv",
    "version": 3
  }
}