Pith Number

pith:HGJHPWPC

pith:2008:HGJHPWPCGUPCZFP5FSAW34PDJR

not attested not anchored not stored refs pending

Recent Topics on Very High Energy Gamma-ray Astronomy

Masaki Mori (ICRR, University of Tokyo)

arxiv:0809.3625 v1 · 2008-09-22 · 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{HGJHPWPCGUPCZFP5FSAW34PDJR}

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	2026-05-18T02:15:34.063310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399277d9e2351e2c95fd2c816df1e34c40941ed355720eb39b2e1a2012515108

Aliases

arxiv: 0809.3625 · arxiv_version: 0809.3625v1 · doi: 10.48550/arxiv.0809.3625 · pith_short_12: HGJHPWPCGUPC · pith_short_16: HGJHPWPCGUPCZFP5 · pith_short_8: HGJHPWPC

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/HGJHPWPCGUPCZFP5FSAW34PDJR \
  | 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: 399277d9e2351e2c95fd2c816df1e34c40941ed355720eb39b2e1a2012515108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08c54e11f83aa3f39d1051e6df5943c59df364813b4b0d501bdd67a5ba1b96b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-22T03:01:42Z",
    "title_canon_sha256": "67d63bbea0eac1e34c60a196dc1d9dd4eb0ce004baa6b897ab3b2f6482476b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3625",
    "kind": "arxiv",
    "version": 1
  }
}