Pith Number

pith:PXZTJQMD

pith:2010:PXZTJQMDLBOGOKB4HL2ZXFJHIU

not attested not anchored not stored refs pending

Gamma-ray absorption and the origin of the gamma-ray flare in Cygnus X-1

Gustavo E. Romero, Mariana Orellana, Maria Victoria del Valle

arxiv:1005.0803 v1 · 2010-05-05 · 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{PXZTJQMDLBOGOKB4HL2ZXFJHIU}

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	2026-05-18T02:07:42.588083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7df334c183585c67283c3af59b95274520c77a283fcdc8037b3088293643a2a6

Aliases

arxiv: 1005.0803 · arxiv_version: 1005.0803v1 · doi: 10.48550/arxiv.1005.0803 · pith_short_12: PXZTJQMDLBOG · pith_short_16: PXZTJQMDLBOGOKB4 · pith_short_8: PXZTJQMD

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/PXZTJQMDLBOGOKB4HL2ZXFJHIU \
  | 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: 7df334c183585c67283c3af59b95274520c77a283fcdc8037b3088293643a2a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517de38b2689bb99cba031df8eceff8c6fdae97d45d56019f313d15b639b5365",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-05-05T18:10:33Z",
    "title_canon_sha256": "4ed9cc530226935cd6188bab3bdf0d6da52e4e0a6126e081572046a648a482ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0803",
    "kind": "arxiv",
    "version": 1
  }
}