Pith Number

pith:PV7RJKKA

pith:2014:PV7RJKKAGHTIKWOYY2UXCHPVEE

not attested not anchored not stored refs pending

Spiral arms in the disk of HD 142527 from CO emission lines with ALMA

CNRS/INSU, Fran\c{c}ois M\'enard (2) ((1) Universidad de Chile (2) UMI-FCA, Gerrit van der Plas (1), Sebastian Perez (1), Simon Casassus (1), Universidad de Chile), Valentin Christiaens (1)

arxiv:1403.1463 v2 · 2014-03-06 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PV7RJKKAGHTIKWOYY2UXCHPVEE}

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	2026-05-18T02:55:03.608284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d7f14a94031e68559d8c6a9711df52132d35b5c4099138cf3990de5a4a6050d

Aliases

arxiv: 1403.1463 · arxiv_version: 1403.1463v2 · doi: 10.48550/arxiv.1403.1463 · pith_short_12: PV7RJKKAGHTI · pith_short_16: PV7RJKKAGHTIKWOY · pith_short_8: PV7RJKKA

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/PV7RJKKAGHTIKWOYY2UXCHPVEE \
  | 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: 7d7f14a94031e68559d8c6a9711df52132d35b5c4099138cf3990de5a4a6050d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42ccab9b7581b0a7d2e83f7dc24daa6f297de1ea6bb34d8cd4c7c6825966c49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-03-06T15:12:08Z",
    "title_canon_sha256": "d96832046a9cc9979d06870bfbb4f537a2f9ff1a5b1b90c41622892c5c273232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1463",
    "kind": "arxiv",
    "version": 2
  }
}