Pith Number

pith:NPL6RYAI

pith:2016:NPL6RYAIK4QZUFSNKB7AXVRIGH

not attested not anchored not stored refs pending

Turning Around along the Cosmic Web

(2) Universidad Autonoma de Madrid), Gustavo Yepes (2) ((1) Seoul National University, Jounghun Lee (1)

arxiv:1608.01422 v2 · 2016-08-04 · 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{NPL6RYAIK4QZUFSNKB7AXVRIGH}

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	2026-05-18T00:55:00.040801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd7e8e00857219a164d507e0bd62831f2c2c6725d32a589f19de99b5faf5fd1

Aliases

arxiv: 1608.01422 · arxiv_version: 1608.01422v2 · doi: 10.48550/arxiv.1608.01422 · pith_short_12: NPL6RYAIK4QZ · pith_short_16: NPL6RYAIK4QZUFSN · pith_short_8: NPL6RYAI

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/NPL6RYAIK4QZUFSNKB7AXVRIGH \
  | 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: 6bd7e8e00857219a164d507e0bd62831f2c2c6725d32a589f19de99b5faf5fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f287e97383605e288674ea641fc8b25254c8b4a9dcb7c03fffb4da82959fbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-08-04T04:24:35Z",
    "title_canon_sha256": "8fa71eab48b6f113054a0a175a81053303d67f5ad1c08862e17b410c17f94419"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01422",
    "kind": "arxiv",
    "version": 2
  }
}