Pith Number

pith:4H4TTX7Z

pith:2020:4H4TTX7ZNUZ4SR2GAZORNRGBTP

not attested not anchored not stored refs pending

Type Ic supernovae from the (intermediate) Palomar Transient Factory

A. Gal-Yam, C. Barbarino, C. Fremling, E. Karamehmetoglu, F. Taddia, I. Arcavi, J. Sollerman, Lin Yan, P. Wozniak, R. Laher, S. Schulze

arxiv:2010.08392 v1 · 2020-10-16 · astro-ph.SR · 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{4H4TTX7ZNUZ4SR2GAZORNRGBTP}

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	2026-07-05T01:43:34.430754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f939dff96d33c94746065d16c4c19bc710a2d73996a477ae4bb909f0d5ca42

Aliases

arxiv: 2010.08392 · arxiv_version: 2010.08392v1 · doi: 10.48550/arxiv.2010.08392 · pith_short_12: 4H4TTX7ZNUZ4 · pith_short_16: 4H4TTX7ZNUZ4SR2G · pith_short_8: 4H4TTX7Z

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/4H4TTX7ZNUZ4SR2GAZORNRGBTP \
  | 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: e1f939dff96d33c94746065d16c4c19bc710a2d73996a477ae4bb909f0d5ca42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf479814237838d2044a2accfbb17a053176e15bb01a70f54215d761d7a9cde",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-10-16T13:48:58Z",
    "title_canon_sha256": "70d24ea430b1039a7b641c80f7f39c183a074965b61478789787e2c5665006f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.08392",
    "kind": "arxiv",
    "version": 1
  }
}