Pith Number

pith:UWHADNVS

pith:2016:UWHADNVSWD23V3JIGHJRI2WH26

not attested not anchored not stored refs pending

Stability phenomena in the homology of tree braid groups

Eric Ramos

arxiv:1609.05611 v1 · 2016-09-19 · math.AT · math.AC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWHADNVSWD23V3JIGHJRI2WH26}

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	2026-05-18T00:17:09.578706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58e01b6b2b0f5baed2831d3146ac7d799e54c6c46d15922e017a28ff9f894a0

Aliases

arxiv: 1609.05611 · arxiv_version: 1609.05611v1 · doi: 10.48550/arxiv.1609.05611 · pith_short_12: UWHADNVSWD23 · pith_short_16: UWHADNVSWD23V3JI · pith_short_8: UWHADNVS

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/UWHADNVSWD23V3JIGHJRI2WH26 \
  | 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: a58e01b6b2b0f5baed2831d3146ac7d799e54c6c46d15922e017a28ff9f894a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b160b471f93ccb77541db4581f7fff4867e6d0dda45469f6ee5c14e086f0e0d",
    "cross_cats_sorted": [
      "math.AC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-09-19T07:05:31Z",
    "title_canon_sha256": "30d0d65d99d5645e4f0a29687efe379193f5408d93979d931c036000e52e8c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05611",
    "kind": "arxiv",
    "version": 1
  }
}