Pith Number

pith:2V7DPXJX

pith:2016:2V7DPXJX7YRM7G2ZURS7ZLK2HH

not attested not anchored not stored refs pending

Multi-epoch Spectropolarimetry of SN 2011fe

Amber Porter, Buell T. Jannuzi, E.M. Green, G. Grant Williams, Mark D. Leising, Nathan Smith, Paul S. Smith, Peter A. Milne

arxiv:1611.07070 v1 · 2016-11-21 · 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{2V7DPXJX7YRM7G2ZURS7ZLK2HH}

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	2026-05-18T00:52:13.763921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57e37dd37fe22cf9b59a465fcad5a39c57258f8b78dc6a94467179e1ddf8709

Aliases

arxiv: 1611.07070 · arxiv_version: 1611.07070v1 · doi: 10.48550/arxiv.1611.07070 · pith_short_12: 2V7DPXJX7YRM · pith_short_16: 2V7DPXJX7YRM7G2Z · pith_short_8: 2V7DPXJX

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/2V7DPXJX7YRM7G2ZURS7ZLK2HH \
  | 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: d57e37dd37fe22cf9b59a465fcad5a39c57258f8b78dc6a94467179e1ddf8709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2c7e4c2a47f3cac50b289f01acb1d915f5215f2a995895be047cd86c7e26c3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-21T21:34:05Z",
    "title_canon_sha256": "a1da9f05dd3a89e4e6e8454de56ee23abad862c7b6063b98bf310859e16f85ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07070",
    "kind": "arxiv",
    "version": 1
  }
}