Pith Number

pith:ZJ7HS6T2

pith:2007:ZJ7HS6T2PQQOPM4V5CQE6BXIDX

not attested not anchored not stored refs pending

A compact dust shell in the symbiotic system HM Sge

Martin Vannier (ESO), Olivier Chesneau (LG), Pierre Cruzal\`ebes (LG), St\'ephane Sacuto (LG)

arxiv:astro-ph/0702374 v1 · 2007-02-14 · 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{ZJ7HS6T2PQQOPM4V5CQE6BXIDX}

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	2026-05-18T01:09:21.676156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca7e797a7a7c20e7b395e8a04f06e81de10e447ccb90c205dabd861efef0cdd8

Aliases

arxiv: astro-ph/0702374 · arxiv_version: astro-ph/0702374v1 · doi: 10.48550/arxiv.astro-ph/0702374 · pith_short_12: ZJ7HS6T2PQQO · pith_short_16: ZJ7HS6T2PQQOPM4V · pith_short_8: ZJ7HS6T2

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/ZJ7HS6T2PQQOPM4V5CQE6BXIDX \
  | 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: ca7e797a7a7c20e7b395e8a04f06e81de10e447ccb90c205dabd861efef0cdd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c7e6bdb2d48c055e4e82d385d785408be1f3d6d83165a92fc71bd34d0b13711",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-14T10:49:16Z",
    "title_canon_sha256": "38ea92b8346afdfd74572f9ed706a3136d2dd4b9274f37294612f223e53b5c9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702374",
    "kind": "arxiv",
    "version": 1
  }
}