Pith Number

pith:MNCX6IFH

pith:2013:MNCX6IFHOT4PZ5YSH2NK35PDIY

not attested not anchored not stored refs pending

The changing Lya optical depth in the range 6<z<9 from MOSFIRE spectroscopy of Y-dropouts

K.B.Schmidt, L.D.Bradley, M.Stiavelli, M.Trenti, T.Treu

arxiv:1308.5985 v1 · 2013-08-27 · 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{MNCX6IFHOT4PZ5YSH2NK35PDIY}

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	2026-05-18T01:47:57.763243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63457f20a774f8fcf7123e9aadf5e34621f7c1c42458452c843b66b29be4c365

Aliases

arxiv: 1308.5985 · arxiv_version: 1308.5985v1 · doi: 10.48550/arxiv.1308.5985 · pith_short_12: MNCX6IFHOT4P · pith_short_16: MNCX6IFHOT4PZ5YS · pith_short_8: MNCX6IFH

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/MNCX6IFHOT4PZ5YSH2NK35PDIY \
  | 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: 63457f20a774f8fcf7123e9aadf5e34621f7c1c42458452c843b66b29be4c365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "579a6a4309b943e11cdef4ea41cfd49afa15869c42310ff61790ed380524c950",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-27T20:23:29Z",
    "title_canon_sha256": "10a56ee809cbf033b582f2e82225dbac9866380f1329f9f991b7d7b4f8f25248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5985",
    "kind": "arxiv",
    "version": 1
  }
}