Pith Number

pith:USQDFDCY

pith:2011:USQDFDCYQD53PRUAKHNPMRRGLW

not attested not anchored not stored refs pending

Status of the New Research Facilty in Andrate - TO - and prospective for research

D. Tasselli

arxiv:1103.2663 v1 · 2011-03-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USQDFDCYQD53PRUAKHNPMRRGLW}

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	2026-05-18T04:26:54.407059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a0328c5880fbb7c68051daf646265d8dc262448a39e313bdc14021b2ee89fb

Aliases

arxiv: 1103.2663 · arxiv_version: 1103.2663v1 · doi: 10.48550/arxiv.1103.2663 · pith_short_12: USQDFDCYQD53 · pith_short_16: USQDFDCYQD53PRUA · pith_short_8: USQDFDCY

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/USQDFDCYQD53PRUAKHNPMRRGLW \
  | 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: a4a0328c5880fbb7c68051daf646265d8dc262448a39e313bdc14021b2ee89fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6edddc96f22a8daaad3c8e5a15d534448c09a5695b80f00d00e0860963174e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-14T13:47:43Z",
    "title_canon_sha256": "734b07ed967921f66b4679c477fcc5b23ebf0a8df2df310d7dc715e253534707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2663",
    "kind": "arxiv",
    "version": 1
  }
}