Pith Number

pith:5QTYT2KW

pith:2016:5QTYT2KWLJI3VKTOOLGI4JMSVE

not attested not anchored not stored refs pending

Constraining the PopIII IMF with high-z GRBs

B. Ciardi, Q. Ma, R. Salvaterra, U. Maio

arxiv:1610.03594 v1 · 2016-10-12 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QTYT2KWLJI3VKTOOLGI4JMSVE}

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	2026-05-18T00:52:38.434533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec2789e9565a51baaa6e72cc8e2592a917c18a165f2dac83fe4fecce77e0264f

Aliases

arxiv: 1610.03594 · arxiv_version: 1610.03594v1 · doi: 10.48550/arxiv.1610.03594 · pith_short_12: 5QTYT2KWLJI3 · pith_short_16: 5QTYT2KWLJI3VKTO · pith_short_8: 5QTYT2KW

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/5QTYT2KWLJI3VKTOOLGI4JMSVE \
  | 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: ec2789e9565a51baaa6e72cc8e2592a917c18a165f2dac83fe4fecce77e0264f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21fbd4221420acab5538ca982b0353aef3dfc8ad0a64bb1c06b75b546f259ad9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-12T03:59:49Z",
    "title_canon_sha256": "40431bd082fd73b9872582f3c8b7e6cd4482b92b6f523dd60909401f83d4dce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03594",
    "kind": "arxiv",
    "version": 1
  }
}