Pith Number

pith:YW7IUSP5

pith:2017:YW7IUSP5VCNT65XPHDRWC3XS7I

not attested not anchored not stored refs pending

LOFAR observations of decameter carbon radio recombination lines towards Cassiopeia A

A. G. G. M. Tielens, F. Salgado, H. J. A. R\"ottgering, J. B. R. Oonk, K. Emig, L. K. Morabito, M. C. Toribio, P. Salas, R. J. van Weeren

arxiv:1701.08802 v1 · 2017-01-30 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YW7IUSP5VCNT65XPHDRWC3XS7I}

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	2026-05-18T00:51:39.149192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5be8a49fda89b3f76ef38e3616ef2fa298167070fdef7a1573ea76595eefe85

Aliases

arxiv: 1701.08802 · arxiv_version: 1701.08802v1 · doi: 10.48550/arxiv.1701.08802 · pith_short_12: YW7IUSP5VCNT · pith_short_16: YW7IUSP5VCNT65XP · pith_short_8: YW7IUSP5

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/YW7IUSP5VCNT65XPHDRWC3XS7I \
  | 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: c5be8a49fda89b3f76ef38e3616ef2fa298167070fdef7a1573ea76595eefe85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b70bce5760fd9a7fcf2204e9c0b0281478ea4c608195289dd12927a4e26fb2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-30T19:55:46Z",
    "title_canon_sha256": "352750b2db50a925ba95763d771cde52a1d31fc7ff0e6027467561c506bf2379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08802",
    "kind": "arxiv",
    "version": 1
  }
}