Pith Number

pith:K6OPD6MI

pith:2015:K6OPD6MIJT5CNBQB7JL6E3M5I4

not attested not anchored not stored refs pending

A Formal Study on Backward Compatible Dynamic Software Updates

Jun Shen, Rida A. Bazzi

arxiv:1503.07235 v2 · 2015-03-24 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K6OPD6MIJT5CNBQB7JL6E3M5I4}

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	2026-05-18T01:33:24.119088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

579cf1f9884cfa268601fa57e26d9d472d3773f32fd71e06472927e7040be53d

Aliases

arxiv: 1503.07235 · arxiv_version: 1503.07235v2 · doi: 10.48550/arxiv.1503.07235 · pith_short_12: K6OPD6MIJT5C · pith_short_16: K6OPD6MIJT5CNBQB · pith_short_8: K6OPD6MI

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/K6OPD6MIJT5CNBQB7JL6E3M5I4 \
  | 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: 579cf1f9884cfa268601fa57e26d9d472d3773f32fd71e06472927e7040be53d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c8e98be2d44f9e1d72d72a55ac09bd45e06a318944f1673f919f4ceb506675f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-03-24T23:46:44Z",
    "title_canon_sha256": "a8e3c9cddcae41b30be92fb8c902e5a07d59d1172abde53d5ed9ec2b76654cf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07235",
    "kind": "arxiv",
    "version": 2
  }
}