Pith Number

pith:OAT7HZGC

pith:2018:OAT7HZGCYLLREGAPY7FWRFZW55

not attested not anchored not stored refs pending

A possible alternative evaluation method for the non-use and nonmarket values of ecosystem services

Shuangcheng Li, Shuyao Wu

arxiv:1811.08376 v1 · 2018-11-20 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAT7HZGCYLLREGAPY7FWRFZW55}

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	2026-05-18T00:00:14.236481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7027f3e4c2c2d712180fc7cb689736ef612d9a7a0626e756c97d4044757f90a6

Aliases

arxiv: 1811.08376 · arxiv_version: 1811.08376v1 · doi: 10.48550/arxiv.1811.08376 · pith_short_12: OAT7HZGCYLLR · pith_short_16: OAT7HZGCYLLREGAP · pith_short_8: OAT7HZGC

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/OAT7HZGCYLLREGAPY7FWRFZW55 \
  | 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: 7027f3e4c2c2d712180fc7cb689736ef612d9a7a0626e756c97d4044757f90a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb899a7ce5dc153dc865b55405aa1fab1767af31ba41da384f25180ce53783e",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2018-11-20T17:25:07Z",
    "title_canon_sha256": "7d911f2cb7df714002280bf93b8f6152699bdc43fe006bed24c8d68d5bc8f5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08376",
    "kind": "arxiv",
    "version": 1
  }
}