Pith Number

pith:KPPANX6M

pith:2017:KPPANX6MFDVMMQQ4NB25QGTG34

not attested not anchored not stored refs pending

A deep search for metals near redshift 7: the line-of-sight towards ULAS J1120+0641

Bram P. Venemans, Chris Simpson, Daniel J. Mortlock, George D. Becker, Martin G. Haehnelt, Paul C. Hewett, Richard G. McMahon, Sarah E. I. Bosman

arxiv:1705.08925 v1 · 2017-05-24 · 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{KPPANX6MFDVMMQQ4NB25QGTG34}

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	2026-05-18T00:40:46.132105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53de06dfcc28eac6421c6875d81a66df0358f094e40d5e92eb788b9e7f7bf4f2

Aliases

arxiv: 1705.08925 · arxiv_version: 1705.08925v1 · doi: 10.48550/arxiv.1705.08925 · pith_short_12: KPPANX6MFDVM · pith_short_16: KPPANX6MFDVMMQQ4 · pith_short_8: KPPANX6M

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/KPPANX6MFDVMMQQ4NB25QGTG34 \
  | 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: 53de06dfcc28eac6421c6875d81a66df0358f094e40d5e92eb788b9e7f7bf4f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3256f92573ea67e5df73125e5afdcec06ac2b4f2b47ccb517fb65e14abd57c95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-24T18:42:39Z",
    "title_canon_sha256": "7b1d57f7909df3159fecf3a1b22a41fdd48cf2f94ac2b0e3d4a3b44b9c086c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08925",
    "kind": "arxiv",
    "version": 1
  }
}