Pith Number

pith:JFFMRPGM

pith:2009:JFFMRPGMCFHXNGG5BUNLVMZ6OL

not attested not anchored not stored refs pending

Multi-epoch imaging polarimetry of the SiO masers in the extended atmosphere of the Mira variable TX Cam

Athol J. Kemball, Hsin-Fang Chiang, Ioannis Gonidakis, Kijeong Yim, Kuo-Chuan Pan, Modhurita Mitra, Phillip J. Diamond

arxiv:0904.2621 v1 · 2009-04-17 · 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{JFFMRPGMCFHXNGG5BUNLVMZ6OL}

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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	2026-05-18T04:29:43.456474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

494ac8bccc114f7698dd0d1abab33e72cc612cfc7459c86182ed9505e63f38c0

Aliases

arxiv: 0904.2621 · arxiv_version: 0904.2621v1 · doi: 10.48550/arxiv.0904.2621 · pith_short_12: JFFMRPGMCFHX · pith_short_16: JFFMRPGMCFHXNGG5 · pith_short_8: JFFMRPGM

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/JFFMRPGMCFHXNGG5BUNLVMZ6OL \
  | 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: 494ac8bccc114f7698dd0d1abab33e72cc612cfc7459c86182ed9505e63f38c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24982626f9268bd6e15c92b807cfa06ec75dd8a08d8760c0903d473d0352a148",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-17T03:22:08Z",
    "title_canon_sha256": "9978dbd56581083ed66e882887682904fcb648cbc83c8b0b41eccfce4c6fb85a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2621",
    "kind": "arxiv",
    "version": 1
  }
}