Pith Number

pith:Z2A4Z2UV

pith:2018:Z2A4Z2UVX2T43VGC5GSQZ3OBHO

not attested not anchored not stored refs pending

Ten Simple Rules When Considering Retirement

Philip E. Bourne

arxiv:1807.05016 v1 · 2018-07-13 · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2A4Z2UVX2T43VGC5GSQZ3OBHO}

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	2026-05-18T00:00:18.880502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce81ccea95bea7cdd4c2e9a50cedc13ba2a150ebc50c5cc3375b78d604b5b325

Aliases

arxiv: 1807.05016 · arxiv_version: 1807.05016v1 · doi: 10.48550/arxiv.1807.05016 · pith_short_12: Z2A4Z2UVX2T4 · pith_short_16: Z2A4Z2UVX2T43VGC · pith_short_8: Z2A4Z2UV

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/Z2A4Z2UVX2T43VGC5GSQZ3OBHO \
  | 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: ce81ccea95bea7cdd4c2e9a50cedc13ba2a150ebc50c5cc3375b78d604b5b325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8eac0d11a9697a05cb0c6090a138cab9d2f63a6b4809254ed2816b4404f9b2e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2018-07-13T11:39:54Z",
    "title_canon_sha256": "c6dc6caee01f407bdf58f6f8f93aa3a9298f47fddc211b3873e14ee63642fb76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05016",
    "kind": "arxiv",
    "version": 1
  }
}