Pith Number

pith:OLRSRKFP

pith:2015:OLRSRKFPTEFF6PZEU6XJWIE2DI

not attested not anchored not stored refs pending

Early Dust Formation and a Massive Progenitor for SN 2011ja?

Ben E.K. Sugerman, E. Montiel, Geoffrey C. Clayton, H. Drass, J.E. Andrews, Kelsie M. Krafton, M.J. Barlow, M. Matsuura, R. Wesson

arxiv:1509.06379 v1 · 2015-09-21 · astro-ph.SR · astro-ph.GA · 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{OLRSRKFPTEFF6PZEU6XJWIE2DI}

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	2026-05-18T01:19:29.509424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a

Aliases

arxiv: 1509.06379 · arxiv_version: 1509.06379v1 · doi: 10.48550/arxiv.1509.06379 · pith_short_12: OLRSRKFPTEFF · pith_short_16: OLRSRKFPTEFF6PZE · pith_short_8: OLRSRKFP

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/OLRSRKFPTEFF6PZEU6XJWIE2DI \
  | 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: 72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "090a23912c8572753909597865cea42822a8361b295f5a6c02d77fb6af58f995",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-21T20:12:48Z",
    "title_canon_sha256": "f497ac118ff31f0538b8fc26a2d6ad773af6a74fcf19270447f269f9e84ca50e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06379",
    "kind": "arxiv",
    "version": 1
  }
}