Pith Number

pith:ST77DY5A

pith:2026:ST77DY5AWQTGX4WGHGMGLAYZU5

not attested not anchored not stored refs pending

Invisible walls: how pedestrians navigate around social interactions

Anne Elizabeth Clark White, Federico Rossano, Jack Terwilliger, Julia Di Silvestri, Seika Murase

arxiv:2607.20876 v1 · 2026-07-23 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ST77DY5AWQTGX4WGHGMGLAYZU5}

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	2026-07-24T00:23:39.458523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94fff1e3a0b4266bf2c63998658319a772f8332d7cf83dce976eb7c8ec056def

Aliases

arxiv: 2607.20876 · arxiv_version: 2607.20876v1 · doi: 10.48550/arxiv.2607.20876 · pith_short_12: ST77DY5AWQTG · pith_short_16: ST77DY5AWQTGX4WG · pith_short_8: ST77DY5A

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/ST77DY5AWQTGX4WGHGMGLAYZU5 \
  | 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: 94fff1e3a0b4266bf2c63998658319a772f8332d7cf83dce976eb7c8ec056def

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6b08250f4d3b930cb647435a1820ce84fba841c3f05f185e225365e83b372b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2026-07-23T02:58:04Z",
    "title_canon_sha256": "eb7a598d22efeebf86b11a5e7af9ed08e3528c23fa57309514c1718976e44984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20876",
    "kind": "arxiv",
    "version": 1
  }
}