Pith Number

pith:N2VE6VSB

pith:2019:N2VE6VSBZFY5LJMQFKCTRDU7AH

not attested not anchored not stored refs pending

GRBs as Probes of the Early Universe with TSO

Alexander Kutyrev (NASA/GSFC), Bill Purcell (Ball Aerospace), Brian Metzger (Columbia Univ.), Chelsea Macleod (CfA), Edo Berger (CfA), Gary Melnick (CfA), George Rieke (Univ. AZ), Jacob Jencson (Caltech), Jonathan Grindlay (CfA), Mansi Kasliwal (Caltech), Michael Wood Vasey (Univ. Pittsburgh), Nial Tanvir (Leicester Univ.), Suvi Gezari (Univ.Md.), Yue Shen (Univ. Illinois), Zeljko Ivezic (Univ. Washington)

arxiv:1903.07835 v1 · 2019-03-19 · 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{N2VE6VSBZFY5LJMQFKCTRDU7AH}

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	2026-05-17T23:50:53.746407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eaa4f5641c971d5a5902a85388e9f01ecf8597f288f7207ceadda995b5cad2c

Aliases

arxiv: 1903.07835 · arxiv_version: 1903.07835v1 · doi: 10.48550/arxiv.1903.07835 · pith_short_12: N2VE6VSBZFY5 · pith_short_16: N2VE6VSBZFY5LJMQ · pith_short_8: N2VE6VSB

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/N2VE6VSBZFY5LJMQFKCTRDU7AH \
  | 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: 6eaa4f5641c971d5a5902a85388e9f01ecf8597f288f7207ceadda995b5cad2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7071b1f319c018a5026c4730eaa3245ef7611de8aa23e318ff027d8500c621ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-19T05:07:01Z",
    "title_canon_sha256": "aed621a30b7e6df6cc714fe964c30436b3d94ce9dc0d0dbd0e74edca6d152b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07835",
    "kind": "arxiv",
    "version": 1
  }
}