Pith Number

pith:TJGLKTVG

pith:2015:TJGLKTVGSR4IEMQVLKS7FW6KU6

not attested not anchored not stored refs pending

The evolution of neutral gas in damped Lyman $\alpha$ systems from the XQ-100 survey

G. Cupani, G. D. Becker, G. Worseck, I. P\^aris, J. Gorosabel, J. X. Prochaska, K. D. Denney, L. Christensen, R. S\'anchez-Ram\'irez, S. L. Ellison, S. L\'opez, T. A. M. Berg, V. D'Odorico

arxiv:1511.05003 v1 · 2015-11-16 · astro-ph.CO · 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{TJGLKTVGSR4IEMQVLKS7FW6KU6}

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	2026-05-18T01:21:51.856033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a4cb54ea694788232155aa5f2dbcaa7a97cd2634b1f54ba9af721a2a8fe8d7e

Aliases

arxiv: 1511.05003 · arxiv_version: 1511.05003v1 · doi: 10.48550/arxiv.1511.05003 · pith_short_12: TJGLKTVGSR4I · pith_short_16: TJGLKTVGSR4IEMQV · pith_short_8: TJGLKTVG

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/TJGLKTVGSR4IEMQVLKS7FW6KU6 \
  | 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: 9a4cb54ea694788232155aa5f2dbcaa7a97cd2634b1f54ba9af721a2a8fe8d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b552f16b2bd3f6993d3a9b091641f9466261b625c9e62c48706366a2890ff571",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-16T15:51:38Z",
    "title_canon_sha256": "0fbdc646c792a7687fa80ec6ae3ee053a9bbbedd1c81a6d57ac74273e5202ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05003",
    "kind": "arxiv",
    "version": 1
  }
}