Pith Number

pith:SJA4I2BM

pith:2010:SJA4I2BME6K6GMTQMZ27UBZHXV

not attested not anchored not stored refs pending

Non-LTE time-dependent spectroscopic modelling of type II-plateau supernovae from the photospheric to the nebular phase: case study for 15 and 25Msun progenitor stars

D. John Hillier, Luc Dessart

arxiv:1008.3238 v1 · 2010-08-19 · astro-ph.SR · 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{SJA4I2BME6K6GMTQMZ27UBZHXV}

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	2026-05-18T02:05:46.700855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9241c4682c2795e332706675fa0727bd5d240649fdeaeb239211647284ccb6d3

Aliases

arxiv: 1008.3238 · arxiv_version: 1008.3238v1 · doi: 10.48550/arxiv.1008.3238 · pith_short_12: SJA4I2BME6K6 · pith_short_16: SJA4I2BME6K6GMTQ · pith_short_8: SJA4I2BM

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/SJA4I2BME6K6GMTQMZ27UBZHXV \
  | 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: 9241c4682c2795e332706675fa0727bd5d240649fdeaeb239211647284ccb6d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a7e13b0d50e84eb4e2a9453fb250116c92acf171c5bcdb383b302740061d07",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-19T08:31:58Z",
    "title_canon_sha256": "a8290beeb52f326d581888952c8c029b8574d55cbe370d6b0bf562a6dc2472f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3238",
    "kind": "arxiv",
    "version": 1
  }
}