Pith Number

pith:UDNPNMWC

pith:2019:UDNPNMWCY3WT3EREIZWA2OKST4

not attested not anchored not stored refs pending

Measuring Time with Minimal Clocks

Andrei D. Robu, Christoph Salge, Chrystopher L. Nehaniv, Daniel Polani

arxiv:1906.07564 v1 · 2019-06-17 · 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{UDNPNMWCY3WT3EREIZWA2OKST4}

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	2026-05-17T23:43:07.516004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0daf6b2c2c6ed3d9224466c0d39529f0ee7464fbd6c8f5822be4738ad035b3d

Aliases

arxiv: 1906.07564 · arxiv_version: 1906.07564v1 · doi: 10.48550/arxiv.1906.07564 · pith_short_12: UDNPNMWCY3WT · pith_short_16: UDNPNMWCY3WT3ERE · pith_short_8: UDNPNMWC

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/UDNPNMWCY3WT3EREIZWA2OKST4 \
  | 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: a0daf6b2c2c6ed3d9224466c0d39529f0ee7464fbd6c8f5822be4738ad035b3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b74db6257aff4a70dc06754ae813d9b3cc2ff1448722866e945cf0e45eaf767",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2019-06-17T16:13:56Z",
    "title_canon_sha256": "7e461fe1f13880c5b9088891fe82ea1f2b0cbec1c130085181d5a505f45d145e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07564",
    "kind": "arxiv",
    "version": 1
  }
}