Pith Number

pith:TJBXTZTF

pith:2017:TJBXTZTFNCTRW6B6VVYHV2NVPK

not attested not anchored not stored refs pending

A note on local rigidity

Nicolas Bergeron, Tsachik Gelander

arxiv:1702.00342 v1 · 2017-01-23 · math.GR · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJBXTZTFNCTRW6B6VVYHV2NVPK}

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	2026-05-18T00:51:34.591269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a4379e66568a71b783ead707ae9b57ab7796198cc123c4b8d638d6216df343b

Aliases

arxiv: 1702.00342 · arxiv_version: 1702.00342v1 · doi: 10.48550/arxiv.1702.00342 · pith_short_12: TJBXTZTFNCTR · pith_short_16: TJBXTZTFNCTRW6B6 · pith_short_8: TJBXTZTF

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/TJBXTZTFNCTRW6B6VVYHV2NVPK \
  | 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: 9a4379e66568a71b783ead707ae9b57ab7796198cc123c4b8d638d6216df343b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2d251d04e025173badc9047f425347e1c6f61bc5a784c79ab0700edf153eedb",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-01-23T20:34:05Z",
    "title_canon_sha256": "48a655af2f79e77cf78f14b4398b7600dd5250410766c6e8f4925cf555835df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00342",
    "kind": "arxiv",
    "version": 1
  }
}