Pith Number

pith:DEQXLPZD

pith:2018:DEQXLPZDRCNJQU6NX3P3ATBMGR

not attested not anchored not stored refs pending

Constraints for the Progenitor Masses of Historic Core-Collapse Supernovae

Andrew E. Dolphin, Benjamin F. Williams, Jeremiah W. Murphy, Julianne J. Dalcanton, Karoline Gilbert, Tristan J. Hillis

arxiv:1803.08112 v1 · 2018-03-21 · 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{DEQXLPZDRCNJQU6NX3P3ATBMGR}

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	2026-05-18T00:12:17.907787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

192175bf23889a9853cdbedfb04c2c34752ff4d24ea5b4d6988f32ade166a9ba

Aliases

arxiv: 1803.08112 · arxiv_version: 1803.08112v1 · doi: 10.48550/arxiv.1803.08112 · pith_short_12: DEQXLPZDRCNJ · pith_short_16: DEQXLPZDRCNJQU6N · pith_short_8: DEQXLPZD

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/DEQXLPZDRCNJQU6NX3P3ATBMGR \
  | 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: 192175bf23889a9853cdbedfb04c2c34752ff4d24ea5b4d6988f32ade166a9ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0406dcaf94d16d8423e0a0898b21a0daae84f9f5880a0f6bbcfa06b13d87bf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-21T20:08:32Z",
    "title_canon_sha256": "2dec5df4cfc96d879e5b7312224069ed930a21605278f35ca1d89da713e226f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08112",
    "kind": "arxiv",
    "version": 1
  }
}