Pith Number

pith:W5QUOHBO

pith:1993:W5QUOHBOYT6NTOY2DIIPVKJ36Y

not attested not anchored not stored refs pending

AGN and galactic sites of cosmic ray origin

Bonn, Germany), Peter L. Biermann (Max-Planck-Institut fuer Radioastronomie

arxiv:astro-ph/9305005 v1 · 1993-05-06 · 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{W5QUOHBOYT6NTOY2DIIPVKJ36Y}

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	2026-05-18T01:01:16.892458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b761471c2ec4fcd9bb1a1a10faa93bf6262b6d4a34dced29bb02e87f2cc173af

Aliases

arxiv: astro-ph/9305005 · arxiv_version: astro-ph/9305005v1 · doi: 10.48550/arxiv.astro-ph/9305005 · pith_short_12: W5QUOHBOYT6N · pith_short_16: W5QUOHBOYT6NTOY2 · pith_short_8: W5QUOHBO

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/W5QUOHBOYT6NTOY2DIIPVKJ36Y \
  | 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: b761471c2ec4fcd9bb1a1a10faa93bf6262b6d4a34dced29bb02e87f2cc173af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b5cf7b8a73b2d15b42f0a6cb2f338cbb85b61cac1a079d1ceccce21716e9247",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-05-06T14:31:54Z",
    "title_canon_sha256": "06a51b06dc4e0184237fcaa1ad6ef0d9ee776e2852d4efa7c44392fe4a7d23c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9305005",
    "kind": "arxiv",
    "version": 1
  }
}