Pith Number

pith:NIJRF5U3

pith:2007:NIJRF5U3V5YI67VJ7X34TVYAB6

not attested not anchored not stored refs pending

The carbon-rich type Ic SN 2007gr: the photospheric phase

A. Pastorello, A. Riffeser, D. Sauer, D.Tsvetkov, E. Cappellaro, F. Di Mille, F. Patat, H. Navasardyan, I. Agnoletto, J.P.U. Fynbo, M. Turatto, N. Elias-Rosa, P.A. Mazzali, P. Laursen, R. Barbon, S.Benetti, S. Ciroi, S. Frandsen, S.Taubenberger, S. Valenti, U. Hopp, V. Lorenzi, V. Stanishev

arxiv:0712.1899 v1 · 2007-12-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIJRF5U3V5YI67VJ7X34TVYAB6}

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.

Cited by

1 paper in Pith

SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope

Receipt and verification

First computed	2026-07-04T15:10:47.641542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a1312f69baf708f7ea9fdf7c9d7000f9c46fc92e4da557ad870eb53f1c912d7

Aliases

arxiv: 0712.1899 · arxiv_version: 0712.1899v1 · doi: 10.48550/arxiv.0712.1899 · pith_short_12: NIJRF5U3V5YI · pith_short_16: NIJRF5U3V5YI67VJ · pith_short_8: NIJRF5U3

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/NIJRF5U3V5YI67VJ7X34TVYAB6 \
  | 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: 6a1312f69baf708f7ea9fdf7c9d7000f9c46fc92e4da557ad870eb53f1c912d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35d9717d465870769ed2c67f1d41c18a6b8aeedc43402f5e9abaebbcef25dd1b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-12T10:35:46Z",
    "title_canon_sha256": "55091a075df80c127d4e0ce172911411bcc59a2c57b31616c50fc24c33fdb7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1899",
    "kind": "arxiv",
    "version": 1
  }
}