Pith Number

pith:JHDZAXWU

pith:2021:JHDZAXWUIR57LQOUFZJIUTOCRD

not attested not anchored not stored refs pending

High [OIII]/[CII] surface brightness ratios trace early starburst galaxies

A. Ferrara, A. Pallottini, L. Vallini, S. Carniani, S. Gallerani

arxiv:2106.05279 v1 · 2021-06-09 · 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{JHDZAXWUIR57LQOUFZJIUTOCRD}

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	2026-07-05T02:48:00.764700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49c7905ed4447bf5c1d42e528a4dc288ef0a04259e456ef4bd7472a742f45862

Aliases

arxiv: 2106.05279 · arxiv_version: 2106.05279v1 · doi: 10.48550/arxiv.2106.05279 · pith_short_12: JHDZAXWUIR57 · pith_short_16: JHDZAXWUIR57LQOU · pith_short_8: JHDZAXWU

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/JHDZAXWUIR57LQOUFZJIUTOCRD \
  | 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: 49c7905ed4447bf5c1d42e528a4dc288ef0a04259e456ef4bd7472a742f45862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18ec4a4f0dbbcc1c4869a31c6a15f514b4bf0a3df8dd4d889294df411405fbf9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-09T18:00:01Z",
    "title_canon_sha256": "d0110dd131f56f79a08a05c69c7d6752465a2980aeb2b61e80aa66bd8f20d545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05279",
    "kind": "arxiv",
    "version": 1
  }
}