Pith Number

pith:J3VDSAV7

pith:2008:J3VDSAV75KZJJWEXUFMQPX6YAE

not attested not anchored not stored refs pending

A Major X-ray Outburst from an Ultraluminous X-Ray Source in M82

Hua Feng, Mark Gorski, Philip Kaaret

arxiv:0810.5134 v1 · 2008-10-28 · 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{J3VDSAV75KZJJWEXUFMQPX6YAE}

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	2026-05-18T04:29:25.621781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eea3902bfeab294d897a15907dfd8013bf645f5f74d5706bfa3e4220d1af797

Aliases

arxiv: 0810.5134 · arxiv_version: 0810.5134v1 · doi: 10.48550/arxiv.0810.5134 · pith_short_12: J3VDSAV75KZJ · pith_short_16: J3VDSAV75KZJJWEX · pith_short_8: J3VDSAV7

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/J3VDSAV75KZJJWEXUFMQPX6YAE \
  | 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: 4eea3902bfeab294d897a15907dfd8013bf645f5f74d5706bfa3e4220d1af797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd12aa2d364e075b4cfa55ad2870a1134e03509a8dbf37ae5f666c0d16ac7a6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-28T20:34:59Z",
    "title_canon_sha256": "e730caa894e5b0ccb8ca7b2076fb4149502256684b8ed42dbd050e6a9cb8ac0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5134",
    "kind": "arxiv",
    "version": 1
  }
}