Pith Number

pith:DJ45WPCN

pith:2005:DJ45WPCN7CZWW5IHLBA2E4IGOA

not attested not anchored not stored refs pending

Results from observations of AGNs with the H.E.S.S. telescope system and Future plans

APC), M. Punch (PCC, the HESS Collaboration

arxiv:astro-ph/0501155 v1 · 2005-01-10 · 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{DJ45WPCN7CZWW5IHLBA2E4IGOA}

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	2026-05-18T01:40:34.571117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a79db3c4df8b36b75075841a27106702f01b17a49463c7ac07025eb3e11accb

Aliases

arxiv: astro-ph/0501155 · arxiv_version: astro-ph/0501155v1 · doi: 10.48550/arxiv.astro-ph/0501155 · pith_short_12: DJ45WPCN7CZW · pith_short_16: DJ45WPCN7CZWW5IH · pith_short_8: DJ45WPCN

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/DJ45WPCN7CZWW5IHLBA2E4IGOA \
  | 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: 1a79db3c4df8b36b75075841a27106702f01b17a49463c7ac07025eb3e11accb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b129e91eb3496164765475b66907b9ae29f7fb51d69e4447fd20f1f4c3bdb577",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-10T11:40:05Z",
    "title_canon_sha256": "9e8eaa1060dcd76bfdcd3b65abb99258aab0b7772802d703bbb7508efaaad9e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501155",
    "kind": "arxiv",
    "version": 1
  }
}