Pith Number

pith:PTAKU6JB

pith:2005:PTAKU6JBKNKLKROJOAHPP6EHM2

not attested not anchored not stored refs pending

Spectral index of the H2O-maser emitting planetary nebula IRAS 17347-3139

G. Anglada, I. de Gregorio-Monsalvo, J. E. J. Lovell, J. F. Gomez, J. M. Torrelles, L. F. Miranda, O. Suarez, Y. Gomez

arxiv:astro-ph/0509246 v1 · 2005-09-09 · 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{PTAKU6JBKNKLKROJOAHPP6EHM2}

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	2026-07-04T17:15:08.331694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cc0aa79215354b545c9700ef7f88766a061316ac6a66da971b21842f75c5cfc

Aliases

arxiv: astro-ph/0509246 · arxiv_version: astro-ph/0509246v1 · doi: 10.48550/arxiv.astro-ph/0509246 · pith_short_12: PTAKU6JBKNKL · pith_short_16: PTAKU6JBKNKLKROJ · pith_short_8: PTAKU6JB

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/PTAKU6JBKNKLKROJOAHPP6EHM2 \
  | 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: 7cc0aa79215354b545c9700ef7f88766a061316ac6a66da971b21842f75c5cfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08383fa08661361575cfa7f8daca0be4c5f13dccbe3f05628600b241bd681c18",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-09T11:20:02Z",
    "title_canon_sha256": "0884756bfc5fe15f4625697198db54614246b983abc1ec3db55ea7de8679a471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509246",
    "kind": "arxiv",
    "version": 1
  }
}