Pith Number

pith:7V5GPLCT

pith:2019:7V5GPLCTUYFFPP54LB2FHM5FLS

not attested not anchored not stored refs pending

Multiple spiral arms in the disk around intermediate-mass binary HD 34700A

(10) UNLV), (2) University of Exeter, (3) Carnegie-DTM, (4) U. Colorado, 5), (5) U. Michigan, (6) Harvard-Smithsonian CfA, (7) Boston U., (8) ESO, (9) AMNH, Alicia Aarnio (4), Anna Laws (2), Astronomy, Benjamin R. Setterholm (1), Catherine Espaillat (7), Chris Miller (1), David Wilner (6), Fred C. Adams (1, Jaehan Bae (3), John D. Monnier (1), Lee Hartmann (1), Melissa McClure (8), Nuria Calvet (1), Physics, Rebecca Oppenheimer (9), Sean Andrews (6), Stefan Kraus (2), Tim J. Harries (2), Zhaohuan Zhu (10) ((1) University of Michigan

arxiv:1901.02467 v1 · 2019-01-08 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7V5GPLCTUYFFPP54LB2FHM5FLS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:52:38.761482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7a67ac53a60a57bfbc587453b3a55cbb6f7dfe0972228c7ab32d0b08ffcc99

Aliases

arxiv: 1901.02467 · arxiv_version: 1901.02467v1 · doi: 10.48550/arxiv.1901.02467 · pith_short_12: 7V5GPLCTUYFF · pith_short_16: 7V5GPLCTUYFFPP54 · pith_short_8: 7V5GPLCT

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/7V5GPLCTUYFFPP54LB2FHM5FLS \
  | 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: fd7a67ac53a60a57bfbc587453b3a55cbb6f7dfe0972228c7ab32d0b08ffcc99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dbda3e38a2d019bb1197898237ab040df0cc17ddd9b4cdea69749f23f2de0cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-08T19:00:10Z",
    "title_canon_sha256": "6c6b54695fddd47559bb6f0f0b67a612ad077fd71f80878ef91cbfcc1e031b81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02467",
    "kind": "arxiv",
    "version": 1
  }
}