Pith Number

pith:2R7AUN75

pith:2015:2R7AUN75Q6MSV5ZYV4TKNHIJ4A

not attested not anchored not stored refs pending

Gas around galaxy haloes - II: hydrogen absorption signatures from the environments of galaxies at redshifts 2 < z < 3

A. Meiksin (IfA, E.R. Tittley (IfA, J.S. Bolton (U. Nottingham), U. Edinburgh)

arxiv:1505.02101 v1 · 2015-05-08 · 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{2R7AUN75Q6MSV5ZYV4TKNHIJ4A}

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	2026-05-18T01:33:43.323942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47e0a37fd87992af738af26a69d09e0024b7b5e2111b1ab84b08296e5deb55b

Aliases

arxiv: 1505.02101 · arxiv_version: 1505.02101v1 · doi: 10.48550/arxiv.1505.02101 · pith_short_12: 2R7AUN75Q6MS · pith_short_16: 2R7AUN75Q6MSV5ZY · pith_short_8: 2R7AUN75

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/2R7AUN75Q6MSV5ZYV4TKNHIJ4A \
  | 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: d47e0a37fd87992af738af26a69d09e0024b7b5e2111b1ab84b08296e5deb55b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa8b001770a508f3330372645fa06db76822ad9916a23ebeb81c97f999152f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-08T16:57:20Z",
    "title_canon_sha256": "8d6b0053883b24dacab450c0476e969ba6c99c0385fdc16e4b561d1ea53a1195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02101",
    "kind": "arxiv",
    "version": 1
  }
}