Pith Number

pith:7GDOJWQN

pith:2017:7GDOJWQNQHEMATFQNIR6UT64IO

not attested not anchored not stored refs pending

Survivability of a metapopulation under local extinctions

Biswambhar Rakshit, Dibakar Ghosh, Soumen Majhi, Sourav Kumar Sasmal, Srilena Kundu

arxiv:1712.07875 v1 · 2017-12-21 · q-bio.PE · nlin.AO · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GDOJWQNQHEMATFQNIR6UT64IO}

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	2026-05-18T00:27:29.501536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f986e4da0d81c8c04cb06a23ea4fdc4391566d8a9209ef24f11bf3301e88dbff

Aliases

arxiv: 1712.07875 · arxiv_version: 1712.07875v1 · doi: 10.48550/arxiv.1712.07875 · pith_short_12: 7GDOJWQNQHEM · pith_short_16: 7GDOJWQNQHEMATFQ · pith_short_8: 7GDOJWQN

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/7GDOJWQNQHEMATFQNIR6UT64IO \
  | 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: f986e4da0d81c8c04cb06a23ea4fdc4391566d8a9209ef24f11bf3301e88dbff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19e410cde0d2c3d20b1e46ddac0653ad0aef80ba9cdf0729d9ed094cd1d355db",
    "cross_cats_sorted": [
      "nlin.AO",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-12-21T11:02:26Z",
    "title_canon_sha256": "117393e0b8adc5622a2dc7d858c2032b62fc19bc1c244efbba0a756edc3b5855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07875",
    "kind": "arxiv",
    "version": 1
  }
}