Pith Number

pith:XBXAKEJC

pith:2016:XBXAKEJCDNRN7VO7OQG4P2WQW6

not attested not anchored not stored refs pending

On the radial profile of gas-phase Fe/{\alpha} ratio around distant galaxies

(2) Data Science, (3) Carnegie Obs.), Fakhri S. Zahedy (1), Hsiao-Wen Chen (1), Inc., Jean-Ren\'e Gauthier (2), Michael Rauch (3) ((1) U Chicago

arxiv:1611.09874 v1 · 2016-11-29 · 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{XBXAKEJCDNRN7VO7OQG4P2WQW6}

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	2026-05-18T00:52:37.517800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b86e0511221b62dfd5df740dc7ead0b7b6a8ca9ad4b0431661f2587b04e85c4b

Aliases

arxiv: 1611.09874 · arxiv_version: 1611.09874v1 · doi: 10.48550/arxiv.1611.09874 · pith_short_12: XBXAKEJCDNRN · pith_short_16: XBXAKEJCDNRN7VO7 · pith_short_8: XBXAKEJC

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/XBXAKEJCDNRN7VO7OQG4P2WQW6 \
  | 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: b86e0511221b62dfd5df740dc7ead0b7b6a8ca9ad4b0431661f2587b04e85c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baadcda4298ed35cc54d2fb2f377dda8b429014928ff0f78e8840bf9d04930dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-29T21:03:45Z",
    "title_canon_sha256": "be5ed55d568d921edaeb72deeef0adfecdef656d332bcdb095b801e34c38ab32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09874",
    "kind": "arxiv",
    "version": 1
  }
}