Pith Number

pith:7OWPCV4P

pith:2018:7OWPCV4PFMZ7CWUKTFTEF7IM64

not attested not anchored not stored refs pending

Tycho's supernova: the view from {\it Gaia}

Francesca Figueras, Javier M\'endez, Jonay I. Gonz\'alez Hern\'andez, Luigi R. Bedin, Merc\`e Romero-G\'omez, N\'uria Miret-Roig, Pilar Ruiz-Lapuente, Ramon Canal, Roger Mor

arxiv:1807.03593 v2 · 2018-07-10 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OWPCV4PFMZ7CWUKTFTEF7IM64}

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	2026-05-17T23:55:58.192982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbacf1578f2b33f15a8a996642fd0cf704e13f88f12a0c1df50332e19a1b308f

Aliases

arxiv: 1807.03593 · arxiv_version: 1807.03593v2 · doi: 10.48550/arxiv.1807.03593 · pith_short_12: 7OWPCV4PFMZ7 · pith_short_16: 7OWPCV4PFMZ7CWUK · pith_short_8: 7OWPCV4P

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/7OWPCV4PFMZ7CWUKTFTEF7IM64 \
  | 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: fbacf1578f2b33f15a8a996642fd0cf704e13f88f12a0c1df50332e19a1b308f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0894864cf28f3c03c1bcb5cc7c2b43a38499d1cde1550153ae522f86591ae164",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-10T12:34:14Z",
    "title_canon_sha256": "b477bf1bba1a7988bb9125602270941d0c75c4e209c579d192681b14a5bc4a42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03593",
    "kind": "arxiv",
    "version": 2
  }
}