Pith Number

pith:HQLK7KXE

pith:2007:HQLK7KXEQPC2M6AGJHTFF47O5T

not attested not anchored not stored refs pending

Chandra Observations of the Gamma-ray Binary LSI+61303: Extended X-ray Structure?

D.F. Torres, J. Marti, J.M. Paredes, J.R. West, M. Ribo, V. Bosch-Ramon, Y.M. Butt

arxiv:0706.0877 v1 · 2007-06-06 · 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{HQLK7KXEQPC2M6AGJHTFF47O5T}

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	2026-07-04T17:04:06.297442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c16afaae483c5a6780649e652f3eeeccef5b52dc662609b3e39a78368380ea3

Aliases

arxiv: 0706.0877 · arxiv_version: 0706.0877v1 · doi: 10.48550/arxiv.0706.0877 · pith_short_12: HQLK7KXEQPC2 · pith_short_16: HQLK7KXEQPC2M6AG · pith_short_8: HQLK7KXE

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/HQLK7KXEQPC2M6AGJHTFF47O5T \
  | 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: 3c16afaae483c5a6780649e652f3eeeccef5b52dc662609b3e39a78368380ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004f476f4fef12499deac194b88e4779262794331593d010ff3371facffba4bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-06T17:57:24Z",
    "title_canon_sha256": "b8003c14a480264b37ed1e154fc53411f6e750595df8909cc1caa28199635c38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0877",
    "kind": "arxiv",
    "version": 1
  }
}