Pith Number

pith:QEX7VMIY

pith:1997:QEX7VMIY6E57XHHGMAUZ3TNXVV

not attested not anchored not stored refs pending

Structure Detection in Low Intensity X-Ray Images

Jean-Luc Starck (CEA-Saclay), Marguerite Pierre (CEA-Saclay)

arxiv:astro-ph/9707305 v1 · 1997-07-28 · 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{QEX7VMIY6E57XHHGMAUZ3TNXVV}

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	2026-07-04T16:03:09.126075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812ffab118f13bfb9ce660299dcdb7ad6a0549c367b9efb29ceeff4a78fe9a71

Aliases

arxiv: astro-ph/9707305 · arxiv_version: astro-ph/9707305v1 · doi: 10.48550/arxiv.astro-ph/9707305 · pith_short_12: QEX7VMIY6E57 · pith_short_16: QEX7VMIY6E57XHHG · pith_short_8: QEX7VMIY

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/QEX7VMIY6E57XHHGMAUZ3TNXVV \
  | 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: 812ffab118f13bfb9ce660299dcdb7ad6a0549c367b9efb29ceeff4a78fe9a71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27f3963aa06f58ed36535d0f261369c03e3bf2f3753ad79fce128d478ef8c05",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-28T14:00:07Z",
    "title_canon_sha256": "60bed6b3a86d596421c48d446b03da388d0e6a449593f0c4472cbf1a563d75cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707305",
    "kind": "arxiv",
    "version": 1
  }
}