Pith Number

pith:YMJ53KIR

pith:2006:YMJ53KIRNASP374OHLTWURX6CU

not attested not anchored not stored refs pending

Antisymmetric Metric Field as Dark Matter

Tomislav Prokopec, Wessel Valkenburg (Utrecht University)

arxiv:astro-ph/0606315 v1 · 2006-06-13 · astro-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{YMJ53KIRNASP374OHLTWURX6CU}

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	2026-05-18T01:07:25.352348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c313dda9116824fdff8e3ae76a46fe151e7639a5d5ae1d0aa05e6445f22df5ea

Aliases

arxiv: astro-ph/0606315 · arxiv_version: astro-ph/0606315v1 · doi: 10.48550/arxiv.astro-ph/0606315 · pith_short_12: YMJ53KIRNASP · pith_short_16: YMJ53KIRNASP374O · pith_short_8: YMJ53KIR

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/YMJ53KIRNASP374OHLTWURX6CU \
  | 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: c313dda9116824fdff8e3ae76a46fe151e7639a5d5ae1d0aa05e6445f22df5ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84cc440ab4ef9a6a216ca7973380836bbbbfba84e37806a83214d1088d1fc3e1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-06-13T14:49:11Z",
    "title_canon_sha256": "9147e45bc66070b62924ade841f50a7e39c6405ae4d8c13c78a7c075663ac641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0606315",
    "kind": "arxiv",
    "version": 1
  }
}