Pith Number

pith:MYM5FWTO

pith:2020:MYM5FWTOYE5VLZDA5BJEJPIKEB

not attested not anchored not stored refs pending

Project Calico: Wearable Chemical Sensors for Environmental Monitoring

Alex Mariakakis, Asta Roseway, Bichlien Nguyen, Gonzalo Ramos, Jonathan Lester, Kirsten Bray, Lauren Ryan, Molly Blank, Paul Johns, Sifang Chen

arxiv:2006.15292 v2 · 2020-06-27 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYM5FWTOYE5VLZDA5BJEJPIKEB}

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	2026-07-05T01:16:56.931870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6619d2da6ec13b55e460e85244bd0a20677a766f6f538cfb4d857424d0b68837

Aliases

arxiv: 2006.15292 · arxiv_version: 2006.15292v2 · doi: 10.48550/arxiv.2006.15292 · pith_short_12: MYM5FWTOYE5V · pith_short_16: MYM5FWTOYE5VLZDA · pith_short_8: MYM5FWTO

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/MYM5FWTOYE5VLZDA5BJEJPIKEB \
  | 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: 6619d2da6ec13b55e460e85244bd0a20677a766f6f538cfb4d857424d0b68837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4938532c8a4a2056418d2ea3c3dfe0693a75950eb3163f47b3d0f4b1c5dedd9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2020-06-27T06:22:18Z",
    "title_canon_sha256": "e90f705c853cca9e94b69de18367fb8acecdbc9772e5c66cc375529dd5beee0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.15292",
    "kind": "arxiv",
    "version": 2
  }
}