Pith Number

pith:4P2D63ZM

pith:2006:4P2D63ZMIAWIT3H5BRQEPYXEZA

not attested not anchored not stored refs pending

Demystifying an unidentified EGRET source by VHE gamma-ray observations

Olaf Reimer, Stefan Funk

arxiv:astro-ph/0611653 v2 · 2006-11-21 · 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{4P2D63ZMIAWIT3H5BRQEPYXEZA}

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	2026-07-04T15:18:45.587104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f43f6f2c402c89ecfd0c6047e2e4c83cee50cb921029e2dd946977f2086c37

Aliases

arxiv: astro-ph/0611653 · arxiv_version: astro-ph/0611653v2 · doi: 10.48550/arxiv.astro-ph/0611653 · pith_short_12: 4P2D63ZMIAWI · pith_short_16: 4P2D63ZMIAWIT3H5 · pith_short_8: 4P2D63ZM

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/4P2D63ZMIAWIT3H5BRQEPYXEZA \
  | 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: e3f43f6f2c402c89ecfd0c6047e2e4c83cee50cb921029e2dd946977f2086c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc98721ab13f5aefdf21116f4f51e3b45a8193ca23d596c4b4af594a4680b6f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-21T02:07:18Z",
    "title_canon_sha256": "c88ef67828a38aca040a942ca763dc71238c112d674563028c834607c97178a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611653",
    "kind": "arxiv",
    "version": 2
  }
}