Pith Number

pith:M2AFHT53

pith:2012:M2AFHT53BJ6RGH4L7P2BJC2CD3

not attested not anchored not stored refs pending

No surviving evolved companions to the progenitor of supernova SN 1006

David Montes, Hugo M. Tabernero, Javier Mendez, Jonay I. Gonzalez Hernandez, Luigi R. Bedin, Pilar Ruiz-Lapuente, Ramon Canal

arxiv:1210.1948 v1 · 2012-10-06 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2AFHT53BJ6RGH4L7P2BJC2CD3}

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	2026-05-18T03:43:51.503732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668053cfbb0a7d131f8bfbf4148b421ee63a872273c9953ee7e2524a7253db95

Aliases

arxiv: 1210.1948 · arxiv_version: 1210.1948v1 · doi: 10.48550/arxiv.1210.1948 · pith_short_12: M2AFHT53BJ6R · pith_short_16: M2AFHT53BJ6RGH4L · pith_short_8: M2AFHT53

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/M2AFHT53BJ6RGH4L7P2BJC2CD3 \
  | 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: 668053cfbb0a7d131f8bfbf4148b421ee63a872273c9953ee7e2524a7253db95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cae2328ce896cd36820a3efcae62baa4b1f0084cf4945629c92a2d7d97c7326",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-06T12:13:43Z",
    "title_canon_sha256": "a99ce9c073fe8a1ec2d89ef5700c5bdf1bcd6274a13e8279bc141c6248fddb4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1948",
    "kind": "arxiv",
    "version": 1
  }
}