Pith Number

pith:YDBOIGDP

pith:2005:YDBOIGDPSMTFT4CL3CIWW4BSU7

not attested not anchored not stored refs pending

Falling chains

Chun Wa Wong, Kosuke Yasui

arxiv:physics/0508005 v3 · 2005-07-31 · physics.class-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{YDBOIGDPSMTFT4CL3CIWW4BSU7}

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	2026-05-18T01:38:07.551731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0c2e4186f932659f04bd8916b7032a7d22a2b28026fb3477e529a83627b751d

Aliases

arxiv: physics/0508005 · arxiv_version: physics/0508005v3 · doi: 10.48550/arxiv.physics/0508005 · pith_short_12: YDBOIGDPSMTF · pith_short_16: YDBOIGDPSMTFT4CL · pith_short_8: YDBOIGDP

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/YDBOIGDPSMTFT4CL3CIWW4BSU7 \
  | 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: c0c2e4186f932659f04bd8916b7032a7d22a2b28026fb3477e529a83627b751d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91a4bae7d16c232ef0ec84eb349d65c8b599674db551c832a2cdcc2011fca70",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2005-07-31T03:40:14Z",
    "title_canon_sha256": "039f09c0aee5b9779cf6c82b1f058043738a48951efe1583f2ca40304009bfb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0508005",
    "kind": "arxiv",
    "version": 3
  }
}