Pith Number

pith:35IMC7J5

pith:2014:35IMC7J5I7NQPENCQTTTKWND3H

not attested not anchored not stored refs pending

VLT/UVES observations of peculiar alpha abundances in a sub-DLA at z ~ 1.8 towards the quasar B1101-26

Anne Fox (1), Cora Fechner (1) ((1) Institut f\"ur Physik und Astronomie, Germany), Philipp Richter (1), Potsdam

arxiv:1409.8131 v1 · 2014-09-29 · 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{35IMC7J5I7NQPENCQTTTKWND3H}

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	2026-05-18T02:31:46.525729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df50c17d3d47db0791a284e73559a3d9c4250361984c7b94b4d793bbcd262d60

Aliases

arxiv: 1409.8131 · arxiv_version: 1409.8131v1 · doi: 10.48550/arxiv.1409.8131 · pith_short_12: 35IMC7J5I7NQ · pith_short_16: 35IMC7J5I7NQPENC · pith_short_8: 35IMC7J5

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/35IMC7J5I7NQPENCQTTTKWND3H \
  | 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: df50c17d3d47db0791a284e73559a3d9c4250361984c7b94b4d793bbcd262d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "031a439f547e6096326da9c6a0d4fc5197a2bfa945b52f79652c953978b41286",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-29T14:22:25Z",
    "title_canon_sha256": "ebf1675b7f1274e938079218f7f9b4d07624bd0bccf717b782cd26fd97078ec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8131",
    "kind": "arxiv",
    "version": 1
  }
}