Pith Number

pith:7TFPHWX3

pith:2015:7TFPHWX3B24QDAUDJL4MIBBEXC

not attested not anchored not stored refs pending

Experience Report: Developing the Servo Web Browser Engine using Rust

Brian Anderson, David Herman, Jack Moffitt, Josh Matthews, Keegan McAllister, Lars Bergstrom, Manish Goregaokar, Simon Sapin

arxiv:1505.07383 v1 · 2015-05-26 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TFPHWX3B24QDAUDJL4MIBBEXC}

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	2026-05-18T02:02:04.615236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fccaf3dafb0eb90182834af8c40424b88e03081f09eda2a5b5477a6bc3a22b48

Aliases

arxiv: 1505.07383 · arxiv_version: 1505.07383v1 · doi: 10.48550/arxiv.1505.07383 · pith_short_12: 7TFPHWX3B24Q · pith_short_16: 7TFPHWX3B24QDAUD · pith_short_8: 7TFPHWX3

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/7TFPHWX3B24QDAUDJL4MIBBEXC \
  | 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: fccaf3dafb0eb90182834af8c40424b88e03081f09eda2a5b5477a6bc3a22b48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "883a4eb160081e9b768a3b69ce0560b28fb2a5ae598ead6ae39f7679b59d8f46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-05-26T18:49:02Z",
    "title_canon_sha256": "9cda07454654ecae488a37ab3c8c78c55b57e92894f757b56ea3905a5606dd93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07383",
    "kind": "arxiv",
    "version": 1
  }
}