Pith Number

pith:ZTZHHBWR

pith:2019:ZTZHHBWREDBWQVQ63JV3L6O5N2

not attested not anchored not stored refs pending

Towards Rate Estimation for Transient Surveys I: Assessing Transient Detectability and Volume Sensitivity for iPTF

Chris Cannella, David L. Kaplan, Deep Chatterjee, Mansi M. Kasliwal, Patrick R. Brady, Peter E. Nugent

arxiv:1906.09309 v1 · 2019-06-21 · 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{ZTZHHBWREDBWQVQ63JV3L6O5N2}

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	2026-07-05T00:01:56.677493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf27386d120c368561eda6bb5f9dd6eaa41cfab39a360d4f0955c4ec68b4e53

Aliases

arxiv: 1906.09309 · arxiv_version: 1906.09309v1 · doi: 10.48550/arxiv.1906.09309 · pith_short_12: ZTZHHBWREDBW · pith_short_16: ZTZHHBWREDBWQVQ6 · pith_short_8: ZTZHHBWR

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/ZTZHHBWREDBWQVQ63JV3L6O5N2 \
  | 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: ccf27386d120c368561eda6bb5f9dd6eaa41cfab39a360d4f0955c4ec68b4e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b41004460d71a2911fe133369f0eaa45776750c1132d553e08d01fedbc0573",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-06-21T20:13:30Z",
    "title_canon_sha256": "5ac5d2da39679b4f5ce6a549a5b07305e3a201cd19ad6cc321757840f168b35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09309",
    "kind": "arxiv",
    "version": 1
  }
}