Pith Number

pith:RZD66HGP

pith:2017:RZD66HGPSVN7H6FKNLOMMMPR2T

not attested not anchored not stored refs pending

Probing the Metal Enrichment of the Intergalactic Medium at $z=5-6$ Using the Hubble Space Telescope

Ben Oppenheimer, Kristian Finlator, Romeel Dave, Xiaohui Fan, Zheng Cai

arxiv:1709.10111 v1 · 2017-09-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZD66HGPSVN7H6FKNLOMMMPR2T}

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	2026-05-18T00:31:39.649832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e47ef1ccf955bf3f8aa6adcc631f1d4db261731c5b0d05685a6b8617eb47511

Aliases

arxiv: 1709.10111 · arxiv_version: 1709.10111v1 · doi: 10.48550/arxiv.1709.10111 · pith_short_12: RZD66HGPSVN7 · pith_short_16: RZD66HGPSVN7H6FK · pith_short_8: RZD66HGP

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/RZD66HGPSVN7H6FKNLOMMMPR2T \
  | 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: 8e47ef1ccf955bf3f8aa6adcc631f1d4db261731c5b0d05685a6b8617eb47511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d45181e9180558592da6243525a4a39bd04cf896613ae82a1b706649c5ad3a34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-28T18:00:03Z",
    "title_canon_sha256": "7aef76935d49d5f9e6845f82834b0015ca98de74c26310d918ab15ef6d86d0bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10111",
    "kind": "arxiv",
    "version": 1
  }
}