Pith Number

pith:PWRNCFJ3

pith:2015:PWRNCFJ3TE5KIZQ3FW45EAAEWW

not attested not anchored not stored refs pending

"We're on the Same Page": A Usability Study of Secure Email Using Pairs of Novice Users

Daniel Zappala, Elham Vaziripour, Jeff Andersen, Justin Wu, Kent Seamons, Mark O'Neil, Scott Heidbrink, Scott Ruoti

arxiv:1510.08554 v2 · 2015-10-29 · cs.CR · 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{PWRNCFJ3TE5KIZQ3FW45EAAEWW}

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	2026-05-18T01:23:02.702705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da2d1153b993aa4661b2db9d20004b5bc196b808907e684007deb0214a21a6f

Aliases

arxiv: 1510.08554 · arxiv_version: 1510.08554v2 · doi: 10.48550/arxiv.1510.08554 · pith_short_12: PWRNCFJ3TE5K · pith_short_16: PWRNCFJ3TE5KIZQ3 · pith_short_8: PWRNCFJ3

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/PWRNCFJ3TE5KIZQ3FW45EAAEWW \
  | 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: 7da2d1153b993aa4661b2db9d20004b5bc196b808907e684007deb0214a21a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1594f1ce62717ef519911c7a13c0e2b9199d5be735aacec3abf36139984453c",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-10-29T03:18:38Z",
    "title_canon_sha256": "ce5bbbceea91a140ef7283ba26e78712defc20561f8c316c16b8a0ebfd429426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08554",
    "kind": "arxiv",
    "version": 2
  }
}