Pith Number

pith:EUF3VIDD

pith:2018:EUF3VIDD2RUKDHJKW4Y5G5OK24

not attested not anchored not stored refs pending

Rapidly varying Mg II broad absorption line in SDSS J133356.02+001229.1

K.S. Dawson, M. Vivek, R. Srianand

arxiv:1809.10155 v1 · 2018-09-26 · 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{EUF3VIDD2RUKDHJKW4Y5G5OK24}

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	2026-05-18T00:03:14.696734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

250bbaa063d468a19d2ab731d375cad707eb97d88c5b7132ca3fc65eadd82484

Aliases

arxiv: 1809.10155 · arxiv_version: 1809.10155v1 · doi: 10.48550/arxiv.1809.10155 · pith_short_12: EUF3VIDD2RUK · pith_short_16: EUF3VIDD2RUKDHJK · pith_short_8: EUF3VIDD

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/EUF3VIDD2RUKDHJKW4Y5G5OK24 \
  | 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: 250bbaa063d468a19d2ab731d375cad707eb97d88c5b7132ca3fc65eadd82484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a51dc364f776e8040506cbda747a0b55788ecf39b482d8668d000c4ad19b69",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-26T18:00:05Z",
    "title_canon_sha256": "6f0d6fc9896f6612e9567e48aafc2b487f8ac54216e60d846b71034eabe8e659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10155",
    "kind": "arxiv",
    "version": 1
  }
}