Pith Number

pith:7EPEIWWI

pith:2015:7EPEIWWIDJPZTFZVUTHTTR4EJT

not attested not anchored not stored refs pending

HiFlash: A History Independent Flash Device

Bo Chen, Radu Sion

arxiv:1511.05180 v1 · 2015-11-16 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EPEIWWIDJPZTFZVUTHTTR4EJT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:26:49.858836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91e445ac81a5f999735a4cf39c7844cf49430f64cd4ad4ca6c1fac8ee89903f

Aliases

arxiv: 1511.05180 · arxiv_version: 1511.05180v1 · doi: 10.48550/arxiv.1511.05180 · pith_short_12: 7EPEIWWIDJPZ · pith_short_16: 7EPEIWWIDJPZTFZV · pith_short_8: 7EPEIWWI

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/7EPEIWWIDJPZTFZVUTHTTR4EJT \
  | 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: f91e445ac81a5f999735a4cf39c7844cf49430f64cd4ad4ca6c1fac8ee89903f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7de2cf0fb5cbdee0bd3a127a8e2d4a0f3c5994187a29566eaf769e4fb6d7c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-11-16T21:12:23Z",
    "title_canon_sha256": "06e8a3785ab1aeeaa9b2505ab1fe720ec5a637a5c698f5173f3bfa8ec80f7e9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05180",
    "kind": "arxiv",
    "version": 1
  }
}