Pith Number

pith:6I4H6JAI

pith:2011:6I4H6JAIBE3TDV6PVPUAOXNM4E

not attested not anchored not stored refs pending

Investigating MgII Absorption in Paired Quasar Sight-Lines

Jesse A. Rogerson, Patrick B. Hall

arxiv:1112.1729 v1 · 2011-12-07 · 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{6I4H6JAIBE3TDV6PVPUAOXNM4E}

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	2026-05-18T02:21:27.391898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2387f2408093731d7cfabe8075dace11d5fe96728c4c8731fbd267604a849eb

Aliases

arxiv: 1112.1729 · arxiv_version: 1112.1729v1 · doi: 10.48550/arxiv.1112.1729 · pith_short_12: 6I4H6JAIBE3T · pith_short_16: 6I4H6JAIBE3TDV6P · pith_short_8: 6I4H6JAI

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/6I4H6JAIBE3TDV6PVPUAOXNM4E \
  | 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: f2387f2408093731d7cfabe8075dace11d5fe96728c4c8731fbd267604a849eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84012e15b408705a15a59e33a968dfc0b93afd8c213529e9280d1896b0ced5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-07T23:18:59Z",
    "title_canon_sha256": "937d469a44fda4ca2b9ff6ddaa88b222917346bf1ae118105153e90a904293c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1729",
    "kind": "arxiv",
    "version": 1
  }
}