Pith Number

pith:S2UNXHY5

pith:2016:S2UNXHY55QK3ILGERHDYVGVV7P

not attested not anchored not stored refs pending

Metallicity from Type II Supernovae from the (i)PTF

A. Gal-Yam, A. Rubin, A. V. Filippenko, D. Xu, F. Taddia, G. Leloudas, I. Arcavi, J. M. Silverman, J. Sollerman, M. L. Graham, O. Yaron, P. A. Mazzali, P. E. Nugent, P. Moquist, Y. Cao, Y.-C. Pan

arxiv:1602.01433 v2 · 2016-02-02 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2UNXHY55QK3ILGERHDYVGVV7P}

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	2026-05-18T01:19:47.180116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a8db9f1dec15b42cc489c78a9ab5fbfe2d00c1fc83b86a566afae0bcef5ef9

Aliases

arxiv: 1602.01433 · arxiv_version: 1602.01433v2 · doi: 10.48550/arxiv.1602.01433 · pith_short_12: S2UNXHY55QK3 · pith_short_16: S2UNXHY55QK3ILGE · pith_short_8: S2UNXHY5

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/S2UNXHY55QK3ILGERHDYVGVV7P \
  | 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: 96a8db9f1dec15b42cc489c78a9ab5fbfe2d00c1fc83b86a566afae0bcef5ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d6fa840247a7132c7bf1f6112d2284324fe67d85f317904722a8d5e6dfcbaf1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-02-02T16:10:30Z",
    "title_canon_sha256": "993e5f286b77abd6d40ba0bc0f5489ef3add4bf88cb2ef034e96bef1e11b4f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01433",
    "kind": "arxiv",
    "version": 2
  }
}