Pith Number

pith:I2FEIKP5

pith:2006:I2FEIKP52QNJJVAVDG4RG6W6GV

not attested not anchored not stored refs pending

Astrophysical Probes of Fundamental Physics

C.J.A.P. Martins

arxiv:astro-ph/0610665 v1 · 2006-10-22 · 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{I2FEIKP52QNJJVAVDG4RG6W6GV}

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	2026-05-18T01:40:29.182357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468a4429fdd41a94d41519b9137ade357089b4c6d811e79162fbca3b4a649e80

Aliases

arxiv: astro-ph/0610665 · arxiv_version: astro-ph/0610665v1 · doi: 10.48550/arxiv.astro-ph/0610665 · pith_short_12: I2FEIKP52QNJ · pith_short_16: I2FEIKP52QNJJVAV · pith_short_8: I2FEIKP5

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/I2FEIKP52QNJJVAVDG4RG6W6GV \
  | 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: 468a4429fdd41a94d41519b9137ade357089b4c6d811e79162fbca3b4a649e80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55c2cd24f7a3db8f44cbe2c0e37da78b90856abcdd819664be6558ca4e3da606",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-22T11:50:20Z",
    "title_canon_sha256": "10db6ffe9e218e4c5959d9ba58e3fee049d02ac9199d15cd6ca85d03495d9bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610665",
    "kind": "arxiv",
    "version": 1
  }
}