Pith Number

pith:TJLY4NPJ

pith:2017:TJLY4NPJAC5C26ZR4LX67CYG2V

not attested not anchored not stored refs pending

Gas around galaxy haloes - III: hydrogen absorption signatures around galaxies and QSOs in the Sherwood simulation suite

Avery Meiksin (IfA, Ewald Puchwein (KIC, IoA Cambridge), James S. Bolton (U. Nottingham), U. Edinburgh)

arxiv:1701.06948 v1 · 2017-01-24 · 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{TJLY4NPJAC5C26ZR4LX67CYG2V}

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	2026-05-18T00:52:10.061600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a578e35e900ba2d7b31e2efef8b06d559eafd13c84b138d0b74d82a3ed3d4b4

Aliases

arxiv: 1701.06948 · arxiv_version: 1701.06948v1 · doi: 10.48550/arxiv.1701.06948 · pith_short_12: TJLY4NPJAC5C · pith_short_16: TJLY4NPJAC5C26ZR · pith_short_8: TJLY4NPJ

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/TJLY4NPJAC5C26ZR4LX67CYG2V \
  | 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: 9a578e35e900ba2d7b31e2efef8b06d559eafd13c84b138d0b74d82a3ed3d4b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dbba4c606c436326fa478dc6372525d811020ac5dac6de2a47c01af517a5afe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-24T15:58:00Z",
    "title_canon_sha256": "1d869e4f418d79b75130b8bf8439c0140756cbd326c8ba6b741570c2872dd342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06948",
    "kind": "arxiv",
    "version": 1
  }
}