Pith Number

pith:VO2JIIT4

pith:2013:VO2JIIT4EBKIGFJTVDL7M7XQUJ

not attested not anchored not stored refs pending

U.S. academic libraries: understanding their web presence and their relationship with economic indicators

Enrique Ordu\~na-Malea, John J. Regazzi

arxiv:1310.5812 v1 · 2013-10-22 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VO2JIIT4EBKIGFJTVDL7M7XQUJ}

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	2026-05-18T03:09:32.189440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abb494227c2054831533a8d7f67ef0a27a25943cadf0f4bdb842508ea7e25be2

Aliases

arxiv: 1310.5812 · arxiv_version: 1310.5812v1 · doi: 10.48550/arxiv.1310.5812 · pith_short_12: VO2JIIT4EBKI · pith_short_16: VO2JIIT4EBKIGFJT · pith_short_8: VO2JIIT4

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/VO2JIIT4EBKIGFJTVDL7M7XQUJ \
  | 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: abb494227c2054831533a8d7f67ef0a27a25943cadf0f4bdb842508ea7e25be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc7cbc030a425ac0c67e0b5a0a9ed8efb6943748a3e634a86fe51978849933a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-10-22T06:49:53Z",
    "title_canon_sha256": "f4c2769bb850fe6ac478ad90d6a638c91f8c3f701bd0b20bde831fc8ee16524e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5812",
    "kind": "arxiv",
    "version": 1
  }
}