Pith Number

pith:EVCKY6E6

pith:2018:EVCKY6E64ITY4UZELKGK32AILU

not attested not anchored not stored refs pending

The CGM and IGM at z$\sim$5: metal budget and physical connection

Alex Codoreanu, Bram Venemans, Emma V. Ryan-Weber, George Becker, Luz \'Angela Garc\'ia, Max Pettini, Neil H.M. Crighton, Piero Madau

arxiv:1809.05813 v1 · 2018-09-16 · 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{EVCKY6E64ITY4UZELKGK32AILU}

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	2026-05-18T00:03:45.189106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2544ac789ee2278e53245a8cade8085d0b322492c1dab3b68f0fe1511037b3f7

Aliases

arxiv: 1809.05813 · arxiv_version: 1809.05813v1 · doi: 10.48550/arxiv.1809.05813 · pith_short_12: EVCKY6E64ITY · pith_short_16: EVCKY6E64ITY4UZE · pith_short_8: EVCKY6E6

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/EVCKY6E64ITY4UZELKGK32AILU \
  | 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: 2544ac789ee2278e53245a8cade8085d0b322492c1dab3b68f0fe1511037b3f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cec75ce12415058773aa98cd36db66fad8ab29aada723091c9a95a572bd50a4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-16T04:20:28Z",
    "title_canon_sha256": "963a54639d06a9fcea71ec56398f68cad23ec574ebecd48b6ededf897e6f98a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05813",
    "kind": "arxiv",
    "version": 1
  }
}