Pith Number

pith:YEYOPE6S

pith:2016:YEYOPE6SHRWUW4VRNRKVY63I2U

not attested not anchored not stored refs pending

Topology as faithful communication through relations

Giovanni Sambin, Samuele Maschio

arxiv:1611.03078 v1 · 2016-11-09 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEYOPE6SHRWUW4VRNRKVY63I2U}

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	2026-05-18T00:59:42.656448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c130e793d23c6d4b72b16c555c7b68d51aa7eae65db0e91f5c8f519b7248fbce

Aliases

arxiv: 1611.03078 · arxiv_version: 1611.03078v1 · doi: 10.48550/arxiv.1611.03078 · pith_short_12: YEYOPE6SHRWU · pith_short_16: YEYOPE6SHRWUW4VR · pith_short_8: YEYOPE6S

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/YEYOPE6SHRWUW4VRNRKVY63I2U \
  | 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: c130e793d23c6d4b72b16c555c7b68d51aa7eae65db0e91f5c8f519b7248fbce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e75e593707e71a0f957fbee6bdae14bcc151c25a760fa729ee921bec7f1bef8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-11-09T20:52:50Z",
    "title_canon_sha256": "acb67a9c54fe8e9ee6526c4425eb1f9828e5306271e708b927209cf5182049fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03078",
    "kind": "arxiv",
    "version": 1
  }
}