Pith Number

pith:RFWAQ7QS

pith:2014:RFWAQ7QS3NJDWP7GC53ESSW22P

not attested not anchored not stored refs pending

From Engine to Afterglow: Collapsars Naturally Produce Top-Heavy Jets and Early-Time Plateaus in Gamma Ray Burst Afterglows

Andrew I. MacFadyen, Paul C. Duffell

arxiv:1407.8250 v3 · 2014-07-31 · astro-ph.HE · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFWAQ7QS3NJDWP7GC53ESSW22P}

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	2026-05-18T02:17:51.990986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

896c087e12db523b3fe61776494adad3fa0362f6b98878131c8bbfd60d03c301

Aliases

arxiv: 1407.8250 · arxiv_version: 1407.8250v3 · doi: 10.48550/arxiv.1407.8250 · pith_short_12: RFWAQ7QS3NJD · pith_short_16: RFWAQ7QS3NJDWP7G · pith_short_8: RFWAQ7QS

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/RFWAQ7QS3NJDWP7GC53ESSW22P \
  | 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: 896c087e12db523b3fe61776494adad3fa0362f6b98878131c8bbfd60d03c301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05018a4403df20974543ee4e47e4dd07331bc62fe6b400e8098c055b6c98496b",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-07-31T00:52:08Z",
    "title_canon_sha256": "b7df5fef30f44bbb6f400ea3b487319def6d7ec3a0e20b5906c7baf2b4714dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8250",
    "kind": "arxiv",
    "version": 3
  }
}