Pith Number

pith:2FO6RESZ

pith:2019:2FO6RESZQ3JL5WRTPFWCMMMNTR

not attested not anchored not stored refs pending

Time variability in the bipolar scattered light nebula of L1527 IRS: A possible warped inner disk

Brian T. Cook, John J. Tobin, Matthew J. Nelson, Michael F. Skrutskie

arxiv:1905.04134 v1 · 2019-05-10 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FO6RESZQ3JL5WRTPFWCMMMNTR}

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	2026-05-17T23:43:34.308419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15de8925986d2beda33796c26318d9c4a0806b063a9f6433d0fdad2e435b01c

Aliases

arxiv: 1905.04134 · arxiv_version: 1905.04134v1 · doi: 10.48550/arxiv.1905.04134 · pith_short_12: 2FO6RESZQ3JL · pith_short_16: 2FO6RESZQ3JL5WRT · pith_short_8: 2FO6RESZ

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/2FO6RESZQ3JL5WRTPFWCMMMNTR \
  | 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: d15de8925986d2beda33796c26318d9c4a0806b063a9f6433d0fdad2e435b01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7985561cd72bf44dc74d16f53bf536a584238bfd30950d9d68f3c70803b9294d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-10T12:50:51Z",
    "title_canon_sha256": "add2d19343f0d939358638f7887e41825750969ba97d2ebf3a7fc8141aa9dc32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04134",
    "kind": "arxiv",
    "version": 1
  }
}