Pith Number

pith:PBG3QZKY

pith:2021:PBG3QZKYMI2HGEP7NOIS2U4G7H

not attested not anchored not stored refs pending

The NASA Multi-Messenger Astrophysics Science Support Center (MOSSAIC)

Alan P. Smale, Brian P. Powell, Christopher Roberts, Colleen A. Wilson-Hodge, Craig B. Markwardt, Daniel Kocevski, Joshua E. Schlieder, Judith L. Racusin, Leo P. Singer, Michelle C. Hui, Regina Caputo, Rita M. Sambruna, Tonia M. Venters

arxiv:2109.10841 v2 · 2021-09-22 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBG3QZKYMI2HGEP7NOIS2U4G7H}

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	2026-07-05T04:16:36.674601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

784db8655862347311ff6b912d5386f9e9545ef1c26d6f65c3857f0a21d37c26

Aliases

arxiv: 2109.10841 · arxiv_version: 2109.10841v2 · doi: 10.48550/arxiv.2109.10841 · pith_short_12: PBG3QZKYMI2H · pith_short_16: PBG3QZKYMI2HGEP7 · pith_short_8: PBG3QZKY

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/PBG3QZKYMI2HGEP7NOIS2U4G7H \
  | 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: 784db8655862347311ff6b912d5386f9e9545ef1c26d6f65c3857f0a21d37c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95622a8dda7cf54860bccb83a047f723b3bbd2fcb9757acbe8784efd81638e87",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-22T17:12:02Z",
    "title_canon_sha256": "fa1af9a0aa14215be1cba646545257dc8e51740028b67a662488b0b628b78be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10841",
    "kind": "arxiv",
    "version": 2
  }
}