Pith Number

pith:6MHC2FMP

pith:2010:6MHC2FMPK7LRHOF22YIR5ZHCHJ

not attested not anchored not stored refs pending

Study of Envelope Velocity Evolution of Type Ib-c Core-Collapse Supernovae from Observations of XRF 080109 / SN 2008D and GRB 060218 / SN 2006aj with BTA

A.J. Castro-Tirado, A.S. Moskvitin, E. Sonbas, T.A. Fatkhullin, V.V. Sokolov

arxiv:1004.2633 v2 · 2010-04-15 · 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{6MHC2FMPK7LRHOF22YIR5ZHCHJ}

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	2026-05-18T02:08:05.168885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f30e2d158f57d713b8bad6111ee4e23a69f83c2f37929918aa05b297bbe1a993

Aliases

arxiv: 1004.2633 · arxiv_version: 1004.2633v2 · doi: 10.48550/arxiv.1004.2633 · pith_short_12: 6MHC2FMPK7LR · pith_short_16: 6MHC2FMPK7LRHOF2 · pith_short_8: 6MHC2FMP

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/6MHC2FMPK7LRHOF22YIR5ZHCHJ \
  | 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: f30e2d158f57d713b8bad6111ee4e23a69f83c2f37929918aa05b297bbe1a993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b4b66a7a822157c0dc7cfa8ff6025609b9f3af5dbeb54d794c80813cf438404",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-04-15T14:21:41Z",
    "title_canon_sha256": "846eba5a7f85cf9ed07e3c535f9159411ba724e8ed0632a01aa28e81b3c751c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2633",
    "kind": "arxiv",
    "version": 2
  }
}