Pith Number

pith:XSYWDJDL

pith:2013:XSYWDJDLKVIUJYPKDSBUMDRKVB

not attested not anchored not stored refs pending

The ACS Nearby Galaxy Survey Treasury XI. The Remarkably Undisturbed NGC 2403 Disk

Adrienne Stilp, Andrew Dolphin, Benjamin F. Williams, David Radburn-Smith, Evan D. Skillman, Julianne J. Dalcanton

arxiv:1301.4521 v1 · 2013-01-18 · 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{XSYWDJDLKVIUJYPKDSBUMDRKVB}

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	2026-05-18T01:52:05.617444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcb161a46b555144e1ea1c83460e2aa8588c6952c3f567689d2addac94796737

Aliases

arxiv: 1301.4521 · arxiv_version: 1301.4521v1 · doi: 10.48550/arxiv.1301.4521 · pith_short_12: XSYWDJDLKVIU · pith_short_16: XSYWDJDLKVIUJYPK · pith_short_8: XSYWDJDL

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/XSYWDJDLKVIUJYPKDSBUMDRKVB \
  | 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: bcb161a46b555144e1ea1c83460e2aa8588c6952c3f567689d2addac94796737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55027e76d9e6c8ea113fac9544b6eedaaced0b98c1cea32d3192e22c0b0182c9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-18T23:18:35Z",
    "title_canon_sha256": "a7cee2d8fd4ba2e6f9e67c5809217ce3bbe156ac34bb762123bea6022de0dbdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4521",
    "kind": "arxiv",
    "version": 1
  }
}