Pith Number

pith:UPMZ4YAW

pith:2011:UPMZ4YAW32ZRVXCFFD6KNKCN5T

not attested not anchored not stored refs pending

High-resolution VLA Imaging of SDSS Stripe 82 at 1.4 GHz

G. R. Zeimann, G. T. Richards, J. A. Hodge, R. H. Becker, R. L. White

arxiv:1103.5749 v1 · 2011-03-29 · 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{UPMZ4YAW32ZRVXCFFD6KNKCN5T}

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	2026-05-18T04:19:13.150056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d99e6016deb31adc4528fca6a84decd8b73d17ac332beee8414a20620edc98

Aliases

arxiv: 1103.5749 · arxiv_version: 1103.5749v1 · doi: 10.48550/arxiv.1103.5749 · pith_short_12: UPMZ4YAW32ZR · pith_short_16: UPMZ4YAW32ZRVXCF · pith_short_8: UPMZ4YAW

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/UPMZ4YAW32ZRVXCFFD6KNKCN5T \
  | 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: a3d99e6016deb31adc4528fca6a84decd8b73d17ac332beee8414a20620edc98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a229b6f6209bd2a107ac0867aa50cab95e49a3f9e9c2bf8fcd057423b491a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-29T20:00:07Z",
    "title_canon_sha256": "7aa0937d707990d932b66784a86f4d507e54399574cb6f0cd282b18b9a0d69f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5749",
    "kind": "arxiv",
    "version": 1
  }
}