Pith Number

pith:ISKJMS4V

pith:2008:ISKJMS4VZFG35ZT3UPS7OBT3PU

not attested not anchored not stored refs pending

High energy properties of PKS 1830-211

Diego F. Torres, Jian-Min Wang, Luigi Foschini, Shu Zhang, Ti-Pei Li, Werner Collmar, Yu-peng Chen

arxiv:0803.1900 v1 · 2008-03-13 · 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{ISKJMS4VZFG35ZT3UPS7OBT3PU}

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	2026-05-18T04:36:41.390328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4494964b95c94dbee67ba3e5f7067b7d1ff94f991897a5845154e8f8d3265ef5

Aliases

arxiv: 0803.1900 · arxiv_version: 0803.1900v1 · doi: 10.48550/arxiv.0803.1900 · pith_short_12: ISKJMS4VZFG3 · pith_short_16: ISKJMS4VZFG35ZT3 · pith_short_8: ISKJMS4V

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/ISKJMS4VZFG35ZT3UPS7OBT3PU \
  | 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: 4494964b95c94dbee67ba3e5f7067b7d1ff94f991897a5845154e8f8d3265ef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081d9d4dfd9535dd207333096e50aca23522ce2d92e7d6836c053ef852c8ed12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-13T05:50:01Z",
    "title_canon_sha256": "86ff87c32920b839e1238f94f3c2a5e8d10d438b68103f858c83884226e69d60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1900",
    "kind": "arxiv",
    "version": 1
  }
}