Pith Number

pith:2DWWHHZK

pith:2009:2DWWHHZK4BFOU5YSEWR2BZYU2R

not attested not anchored not stored refs pending

HESS J1507-622: an unique unidentified source off the Galactic Plane

K. Kosack (for the H.E.S.S. Collaboration), N. Komin, O. de Jager, O. Tibolla, S. Kaufmann, W. Domainko, W. Hofmann

arxiv:0912.4229 v1 · 2009-12-21 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DWWHHZK4BFOU5YSEWR2BZYU2R}

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	2026-07-04T23:54:42.133781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ed639f2ae04aea771225a3a0e714d47ea1071596c92cbe95407ae6589d2969

Aliases

arxiv: 0912.4229 · arxiv_version: 0912.4229v1 · doi: 10.48550/arxiv.0912.4229 · pith_short_12: 2DWWHHZK4BFO · pith_short_16: 2DWWHHZK4BFOU5YS · pith_short_8: 2DWWHHZK

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/2DWWHHZK4BFOU5YSEWR2BZYU2R \
  | 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: d0ed639f2ae04aea771225a3a0e714d47ea1071596c92cbe95407ae6589d2969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3add3078419ea4a2ddd43e3139705c146d931a22c30f4bac516a56421a05ccb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-21T18:39:38Z",
    "title_canon_sha256": "2d5ac4aff52dc41f3a100e41237e0c58ee56861b86515f3662b17ae84aebc312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4229",
    "kind": "arxiv",
    "version": 1
  }
}