Pith Number

pith:3UKWIJJJ

pith:2017:3UKWIJJJKZHB5XT3M7D7S4NL55

not attested not anchored not stored refs pending

The evolution of red supergiants to supernovae

Ben Davies, Emma R. Beasor

arxiv:1702.04566 v2 · 2017-02-15 · 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{3UKWIJJJKZHB5XT3M7D7S4NL55}

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	2026-05-18T00:30:45.914089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd15642529564e1ede7b67c7f971abef41458623b475d47b3af002011c6c6fef

Aliases

arxiv: 1702.04566 · arxiv_version: 1702.04566v2 · doi: 10.48550/arxiv.1702.04566 · pith_short_12: 3UKWIJJJKZHB · pith_short_16: 3UKWIJJJKZHB5XT3 · pith_short_8: 3UKWIJJJ

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/3UKWIJJJKZHB5XT3M7D7S4NL55 \
  | 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: dd15642529564e1ede7b67c7f971abef41458623b475d47b3af002011c6c6fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7341e577add660ec631a871b3018d593dba0c843aa2381b2a55cb5fdb2794340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-15T12:00:29Z",
    "title_canon_sha256": "d38c65be0abbb9edcbb5dec9bbf449645e85bf0d50feb5fc647e3add8f0dcac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04566",
    "kind": "arxiv",
    "version": 2
  }
}