Pith Number

pith:3TQ7WMH2

pith:2011:3TQ7WMH2PBXEZZ7MQFQU44ZEUP

not attested not anchored not stored refs pending

The metallicity properties of long-GRB hosts

Filippo Mannucci

arxiv:1110.1098 v1 · 2011-10-05 · astro-ph.CO · 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{3TQ7WMH2PBXEZZ7MQFQU44ZEUP}

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	2026-05-18T04:11:39.294472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce1fb30fa786e4ce7ec81614e7324a3f2505aa5c08d54e3566b3217231dbc28

Aliases

arxiv: 1110.1098 · arxiv_version: 1110.1098v1 · doi: 10.48550/arxiv.1110.1098 · pith_short_12: 3TQ7WMH2PBXE · pith_short_16: 3TQ7WMH2PBXEZZ7M · pith_short_8: 3TQ7WMH2

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/3TQ7WMH2PBXEZZ7MQFQU44ZEUP \
  | 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: dce1fb30fa786e4ce7ec81614e7324a3f2505aa5c08d54e3566b3217231dbc28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68ace41fdbdc3b834b640cb25518134a11d8fa0c9fadf0cbf42a70ce74ee9672",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-05T20:33:54Z",
    "title_canon_sha256": "144cb78e988e56175b3d377977597147f62b55530900a2d130a72ad59550838b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1098",
    "kind": "arxiv",
    "version": 1
  }
}