Pith Number

pith:3U4BWZQQ

pith:2021:3U4BWZQQMFK2LPOWP5NT32DA6L

not attested not anchored not stored refs pending

Disentangling the physical origin of emission line ratio offsets at high redshift with spatially resolved spectroscopy

Alice Shapley, Crystal L. Martin, Gabriel Brammer, Jessie Hirtenstein, Kasper Schmidt, M. C. Cooper, Ryan L. Sanders, Tommaso Treu, Tucker Jones

arxiv:2106.13810 v2 · 2021-06-25 · 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{3U4BWZQQMFK2LPOWP5NT32DA6L}

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	2026-07-05T03:34:28.062059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd381b66106155a5bdd67f5b3de860f2e4c17fb23e128a4b8ba852c2b4bed89b

Aliases

arxiv: 2106.13810 · arxiv_version: 2106.13810v2 · doi: 10.48550/arxiv.2106.13810 · pith_short_12: 3U4BWZQQMFK2 · pith_short_16: 3U4BWZQQMFK2LPOW · pith_short_8: 3U4BWZQQ

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/3U4BWZQQMFK2LPOWP5NT32DA6L \
  | 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: dd381b66106155a5bdd67f5b3de860f2e4c17fb23e128a4b8ba852c2b4bed89b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b6a24eb4f43d5d53a982ab70433068af27bf3d865c8e32421229f29b029f4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-25T18:00:01Z",
    "title_canon_sha256": "7b1da7ba6d9c3b734d955991a8289461f41107b0e8585857ed984c63d64d7ffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13810",
    "kind": "arxiv",
    "version": 2
  }
}