Pith Number

pith:SFM7I2BD

pith:2019:SFM7I2BDWQVJLFS2DZTNGNVNZ4

not attested not anchored not stored refs pending

$\texttt{simsurvey}$: Estimating Transient Discovery Rates for the Zwicky Transient Facility

Ariel Goobar, Jakob Nordin, Marek Kowalski, Mickael Rigault, Suhail Dhawan, Ulrich Feindt, Val\'ery Brinnel

arxiv:1902.03923 v3 · 2019-02-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFM7I2BDWQVJLFS2DZTNGNVNZ4}

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	2026-07-05T00:10:33.631077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9159f46823b42a95965a1e66d336adcf0d7df107e4c8eb6be804b4bad8218497

Aliases

arxiv: 1902.03923 · arxiv_version: 1902.03923v3 · doi: 10.48550/arxiv.1902.03923 · pith_short_12: SFM7I2BDWQVJ · pith_short_16: SFM7I2BDWQVJLFS2 · pith_short_8: SFM7I2BD

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/SFM7I2BDWQVJLFS2DZTNGNVNZ4 \
  | 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: 9159f46823b42a95965a1e66d336adcf0d7df107e4c8eb6be804b4bad8218497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30d01a6f967df79cef008196975f88d9613996c308542721aefd081942c8968",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-08T16:38:55Z",
    "title_canon_sha256": "8e473c0dec98536d79207dc3e1fc16d549a02147513b43e54a5d9c582b5614b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03923",
    "kind": "arxiv",
    "version": 3
  }
}