Pith Number

pith:OMF3Y2NY

pith:2019:OMF3Y2NYHZMIFY755NCH6R3BZT

not attested not anchored not stored refs pending

Prospects for Observing the low-density Cosmic Web in Lyman-alpha Emission

Ewald Puchwein, Girish Kulkarni, Joris Witstok, Martin G. Haehnelt, Renske Smit

arxiv:1905.06954 v3 · 2019-05-16 · astro-ph.GA · 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{OMF3Y2NYHZMIFY755NCH6R3BZT}

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

Discovery of intergalactic bridges connecting two faint $z\sim3$ quasars

Receipt and verification

First computed	2026-07-05T02:50:36.881670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

730bbc69b83e5882e3fdeb447f4761cccdb08832d62e1eca8580fe38976e37e4

Aliases

arxiv: 1905.06954 · arxiv_version: 1905.06954v3 · doi: 10.48550/arxiv.1905.06954 · pith_short_12: OMF3Y2NYHZMI · pith_short_16: OMF3Y2NYHZMIFY75 · pith_short_8: OMF3Y2NY

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/OMF3Y2NYHZMIFY755NCH6R3BZT \
  | 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: 730bbc69b83e5882e3fdeb447f4761cccdb08832d62e1eca8580fe38976e37e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deddc66856339861cf01f371f78f496ee4e0dac9610239b0a742468d10875458",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-16T18:00:00Z",
    "title_canon_sha256": "b050a6b849dba7e8b38f4965bdc8c6a0d9b338ceb1d80086105b6c3b36aa0738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06954",
    "kind": "arxiv",
    "version": 3
  }
}