Pith Number

pith:QMXBW7KC

pith:2020:QMXBW7KCK3Y2S3HMXCTRCDX2WE

not attested not anchored not stored refs pending

SDSS-IV/MaNGA: Can impulsive gaseous inflows explain steep oxygen abundance profiles \& anomalously-low-metallicity regions?

Adam L. Schaefer, Catherine A. Witherspoon, Christy Tremonti, David V. Stark, Kai Zhang, Karen L. Masters, Niv Drory, Zachary J. Pace

arxiv:2012.12887 v1 · 2020-12-23 · 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{QMXBW7KCK3Y2S3HMXCTRCDX2WE}

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	2026-07-05T02:19:41.971708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

832e1b7d4256f1a96cecb8a7110efab1372815c8a5b979096234e935c7563a2a

Aliases

arxiv: 2012.12887 · arxiv_version: 2012.12887v1 · doi: 10.48550/arxiv.2012.12887 · pith_short_12: QMXBW7KCK3Y2 · pith_short_16: QMXBW7KCK3Y2S3HM · pith_short_8: QMXBW7KC

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/QMXBW7KCK3Y2S3HMXCTRCDX2WE \
  | 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: 832e1b7d4256f1a96cecb8a7110efab1372815c8a5b979096234e935c7563a2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9a409a67302f1f3ba02d9a32d16169425e0f5ed6b23e08a4da7f918ac62662",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-23T18:51:36Z",
    "title_canon_sha256": "90ff4ca561fab217f2b79e314e6f0990e334bd82018a23c75ae5f356a37028dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.12887",
    "kind": "arxiv",
    "version": 1
  }
}