Pith Number

pith:LRSUEGHG

pith:2015:LRSUEGHGFOIR6PHRHVGPHD77J5

not attested not anchored not stored refs pending

How the medium shapes the message: Printing and the rise of the arts and sciences

Amy Z. Yu, Cesar A. Hidalgo, C. Jara-Figueroa

arxiv:1512.05020 v5 · 2015-12-16 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRSUEGHGFOIR6PHRHVGPHD77J5}

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	2026-05-18T00:38:18.771342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c654218e62b911f3cf13d4cf38fff4f77263b26e911dbe8fbd1cdcca6fad9fb

Aliases

arxiv: 1512.05020 · arxiv_version: 1512.05020v5 · doi: 10.48550/arxiv.1512.05020 · pith_short_12: LRSUEGHGFOIR · pith_short_16: LRSUEGHGFOIR6PHR · pith_short_8: LRSUEGHG

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/LRSUEGHGFOIR6PHRHVGPHD77J5 \
  | 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: 5c654218e62b911f3cf13d4cf38fff4f77263b26e911dbe8fbd1cdcca6fad9fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cbd7de5c38425c87d68e02f03db0d412c4621e6c3c6b087a1a58eeac0702b01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-12-16T01:04:41Z",
    "title_canon_sha256": "60655797877a56be363f42db57bec126a82694af953732e6dec21683eff71b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05020",
    "kind": "arxiv",
    "version": 5
  }
}