Pith Number

pith:ER7U4EDG

pith:2019:ER7U4EDGEJN6RLQLYRQGTPOG4O

not attested not anchored not stored refs pending

Astrobites as a Community-led Model for Education, Science Communication, and Accessibility in Astrophysics

Aaron B. Pearlman (Caltech), Alejandro C\'ardenas-Avenda\~no (UIUC), Amber L. Hornsby (Cardiff University), Briley Lewis (UCLA), Caitlin Doughty (New Mexico State University), Elena Gonz\'alez-Egea (University of Hertfordshire), Gourav Khullar (University of Chicago), Joanna Ramasawmy (University of Hertfordshire), Joanna S. Bridge (University of Louisville), Kaitlyn Shin (MIT), Kate Storey-Fisher (NYU), Mara Zimmerman (University of Wyoming), Mike Foley (Harvard University), Mithi A. de los Reyes (Caltech), Nora Elisa Chisari (University of Oxford), Nora Shipp (University of Chicago), Oliver Hall (University of Birmingham), Susanna Kohler (AAS), Tarini Konchady (Texas A&M University), Tim Lichtenberg (University of Oxford), V. Ashley Villar (Harvard University), Vatsal Panwar (University of Amsterdam), Zachary Slepian (UC Berkeley), Zephyr Penoyre (Columbia University)

arxiv:1907.09496 v1 · 2019-07-22 · astro-ph.IM · physics.ed-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{ER7U4EDGEJN6RLQLYRQGTPOG4O}

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	2026-05-17T23:39:53.101853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

247f4e1066225be8ae0bc46069bdc6e3995e9612a15fb295b99bbb29d4e16dff

Aliases

arxiv: 1907.09496 · arxiv_version: 1907.09496v1 · doi: 10.48550/arxiv.1907.09496 · pith_short_12: ER7U4EDGEJN6 · pith_short_16: ER7U4EDGEJN6RLQL · pith_short_8: ER7U4EDG

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/ER7U4EDGEJN6RLQLYRQGTPOG4O \
  | 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: 247f4e1066225be8ae0bc46069bdc6e3995e9612a15fb295b99bbb29d4e16dff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b5c43ea91d898d36b520c92801ad0fc1752ae4d6c7738b142af9c4b5b6f745",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-22T18:01:12Z",
    "title_canon_sha256": "8a718589c77986de18434238df513a8894b49c20c6e55894cf05ea14e4c1772e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09496",
    "kind": "arxiv",
    "version": 1
  }
}