Pith Number

pith:6EU7G7KR

pith:2009:6EU7G7KRRM5J7WFDVK7KIC5LCF

not attested not anchored not stored refs pending

X-ray emission from optical novae in M 31

Garching), W. Pietsch (Max-Planck-Institut f\"ur extraterrestrische Physik

arxiv:0910.3865 v1 · 2009-10-20 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EU7G7KRRM5J7WFDVK7KIC5LCF}

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	2026-05-18T02:11:13.758448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f129f37d518b3a9fd8a3aabea40bab117a3e9e69592872a09ff1441d9ad2441d

Aliases

arxiv: 0910.3865 · arxiv_version: 0910.3865v1 · doi: 10.48550/arxiv.0910.3865 · pith_short_12: 6EU7G7KRRM5J · pith_short_16: 6EU7G7KRRM5J7WFD · pith_short_8: 6EU7G7KR

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/6EU7G7KRRM5J7WFDVK7KIC5LCF \
  | 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: f129f37d518b3a9fd8a3aabea40bab117a3e9e69592872a09ff1441d9ad2441d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54c9243159cc5e8a3f2ddaf0aba89bc77bca043bb03dac98335da78c9ee4be73",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-20T15:01:48Z",
    "title_canon_sha256": "dd26b613e8604c2b61b798571cbb065a5533a50e5f3f1e05cfba11defa67ce17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3865",
    "kind": "arxiv",
    "version": 1
  }
}