Pith Number

pith:57NCZNCF

pith:2007:57NCZNCFCNBYDI5UVG62H5O3BF

not attested not anchored not stored refs pending

Kant's Copernican Revolution

Daegene Song

arxiv:physics/0703034 v4 · 2007-03-05 · 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{57NCZNCFCNBYDI5UVG62H5O3BF}

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	2026-05-17T23:56:49.130697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efda2cb445134381a3b4a9bda3f5db0948b058d7834b57067b60b12ae580e7e9

Aliases

arxiv: physics/0703034 · arxiv_version: physics/0703034v4 · doi: 10.48550/arxiv.physics/0703034 · pith_short_12: 57NCZNCFCNBY · pith_short_16: 57NCZNCFCNBYDI5U · pith_short_8: 57NCZNCF

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/57NCZNCFCNBYDI5UVG62H5O3BF \
  | 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: efda2cb445134381a3b4a9bda3f5db0948b058d7834b57067b60b12ae580e7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e749c87d3cadc0b2116fe3af9b196abedf6ec3bd86266492084c462f6de7a68b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2007-03-05T20:13:37Z",
    "title_canon_sha256": "cc8ededf1236e30153c207de6bad365f9fe2c56bdfc6472d0130e747144ea7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0703034",
    "kind": "arxiv",
    "version": 4
  }
}