Pith Number

pith:YBCHB6OV

pith:2011:YBCHB6OVVV7QA6LHLORKKJVZ4C

not attested not anchored not stored refs pending

New insights on the duration distribution of long GRBs from Collapsars

Ehud Nakar, Omer Bromberg, Re'em Sari, Tsvi Piran

arxiv:1112.5949 v1 · 2011-12-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBCHB6OVVV7QA6LHLORKKJVZ4C}

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	2026-05-18T04:05:37.205131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04470f9d5ad7f0079675ba2a526b9e091ffda7a512c9dc5643ff8bb3f29ecfc

Aliases

arxiv: 1112.5949 · arxiv_version: 1112.5949v1 · doi: 10.48550/arxiv.1112.5949 · pith_short_12: YBCHB6OVVV7Q · pith_short_16: YBCHB6OVVV7QA6LH · pith_short_8: YBCHB6OV

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/YBCHB6OVVV7QA6LHLORKKJVZ4C \
  | 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: c04470f9d5ad7f0079675ba2a526b9e091ffda7a512c9dc5643ff8bb3f29ecfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34322bc2a095971ce5af82813fdcac8bed6005308df41305b9798fc098f47600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-27T10:35:41Z",
    "title_canon_sha256": "60201a4c64c810288257517d6a6f90433bb271caa626d6cccda2cb94f742e46c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5949",
    "kind": "arxiv",
    "version": 1
  }
}