Pith Number

pith:PAJX62QC

pith:2016:PAJX62QCEOKNJDTQ54L3AYT2UX

not attested not anchored not stored refs pending

Can we 'future-proof' consensus trees?

Andrew Francis, David Bryant, Mike Steel

arxiv:1611.01225 v2 · 2016-11-03 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAJX62QCEOKNJDTQ54L3AYT2UX}

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	2026-05-18T00:52:03.769418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78137f6a022394d48e70ef17b0627aa5f443740436694bd2ba68929099002a18

Aliases

arxiv: 1611.01225 · arxiv_version: 1611.01225v2 · doi: 10.48550/arxiv.1611.01225 · pith_short_12: PAJX62QCEOKN · pith_short_16: PAJX62QCEOKNJDTQ · pith_short_8: PAJX62QC

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/PAJX62QCEOKNJDTQ54L3AYT2UX \
  | 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: 78137f6a022394d48e70ef17b0627aa5f443740436694bd2ba68929099002a18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed30b78ccc166872c2e9b88a3f0a8c6e59acf2785461f055da8fc34bea87f55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-11-03T23:22:05Z",
    "title_canon_sha256": "81710bfef04471ba65851e468687beb4b5ae73046a424fae7c0bc5e493e8edb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01225",
    "kind": "arxiv",
    "version": 2
  }
}