Pith Number

pith:V7XLIQRQ

pith:2016:V7XLIQRQBNPQCFNRDAXSM2TC6B

not attested not anchored not stored refs pending

Evidence for a Hard Ionizing Spectrum from a z=6.11 Stellar Population

Andrew B. Newman, Daniel P. Stark, Daniel R. Miller, Greg Walth, Juna A. Kollmeier, Ramesh Mainali, Robert A. Simcoe

arxiv:1611.07125 v2 · 2016-11-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7XLIQRQBNPQCFNRDAXSM2TC6B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:50:18.063184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afeeb442300b5f0115b1182f266a62f06233465156e6a3608035428867c42c40

Aliases

arxiv: 1611.07125 · arxiv_version: 1611.07125v2 · doi: 10.48550/arxiv.1611.07125 · pith_short_12: V7XLIQRQBNPQ · pith_short_16: V7XLIQRQBNPQCFNR · pith_short_8: V7XLIQRQ

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/V7XLIQRQBNPQCFNRDAXSM2TC6B \
  | 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: afeeb442300b5f0115b1182f266a62f06233465156e6a3608035428867c42c40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca80465fed53bb7cb1d4a8e56fad164a5c30c13e8518e5b2103b374537634aa5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-22T02:04:49Z",
    "title_canon_sha256": "d217aacc6cd03bcc00b629ad8dd524fb3826e8d437371b7a6e285bdb2ba79618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07125",
    "kind": "arxiv",
    "version": 2
  }
}