Pith Number

pith:DVK46HYJ

pith:2012:DVK46HYJWWUJPD6ZOXBCV6DB6C

not attested not anchored not stored refs pending

A Survey of MgII Absorption at 2 < z < 6 with Magellan / FIRE: I: Sample and Evolution of the MgII Frequency

Michael S. Matejek, Robert A. Simcoe (MIT)

arxiv:1201.3919 v1 · 2012-01-18 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVK46HYJWWUJPD6ZOXBCV6DB6C}

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.

Cited by

1 paper in Pith

Connecting CGM enrichment with Lyman alpha emitters at 2.9 < z < 6.7

Receipt and verification

First computed	2026-05-18T01:58:47.134219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d55cf1f09b5a8978fd975c22af861f094758a8bf3c89fdd2d21456ee8c85929

Aliases

arxiv: 1201.3919 · arxiv_version: 1201.3919v1 · doi: 10.48550/arxiv.1201.3919 · pith_short_12: DVK46HYJWWUJ · pith_short_16: DVK46HYJWWUJPD6Z · pith_short_8: DVK46HYJ

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/DVK46HYJWWUJPD6ZOXBCV6DB6C \
  | 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: 1d55cf1f09b5a8978fd975c22af861f094758a8bf3c89fdd2d21456ee8c85929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b2dc8323e440cef0c26f79dd97634a92524cb7244fed89e953395b51cb2cf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-18T21:00:04Z",
    "title_canon_sha256": "d3d208ed7fe0d11c41bfeeb2318b8f1a79f2eca0a078c411498f060b55dc37c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3919",
    "kind": "arxiv",
    "version": 1
  }
}