Pith Number

pith:3TE6IS2U

pith:2001:3TE6IS2U7GRATBATAGIH2J5PKY

not attested not anchored not stored refs pending

A study of Tycho's SNR at TeV energies with the HEGRA CT-System

A.G. Akhperjanian, F.A. Aharonian, HEGRA Collaboration, J.A. Barrio

arxiv:astro-ph/0107044 v1 · 2001-07-03 · 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{3TE6IS2U7GRATBATAGIH2J5PKY}

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	2026-05-18T01:07:45.679180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcc9e44b54f9a209841301907d27af5615ce6345429e428a56648d12c3fb8636

Aliases

arxiv: astro-ph/0107044 · arxiv_version: astro-ph/0107044v1 · doi: 10.48550/arxiv.astro-ph/0107044 · pith_short_12: 3TE6IS2U7GRA · pith_short_16: 3TE6IS2U7GRATBAT · pith_short_8: 3TE6IS2U

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/3TE6IS2U7GRATBATAGIH2J5PKY \
  | 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: dcc9e44b54f9a209841301907d27af5615ce6345429e428a56648d12c3fb8636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60772d2bf336175cf73daf6224d230b0897e685b4e193a9cb8cfbd41274124e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-03T09:27:50Z",
    "title_canon_sha256": "096f27c3f47fb128acfaef072e13b26720ca3ab26ba08fb4871a4a7d6ea000ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107044",
    "kind": "arxiv",
    "version": 1
  }
}