Pith Number

pith:WJICXUTT

pith:2017:WJICXUTTZ4DQKYBFQ2EEZ7CYCS

not attested not anchored not stored refs pending

Fast Desktop-Scale Extrusion Additive Manufacturing

A. John Hart, Jamison Go

arxiv:1709.05918 v1 · 2017-07-02 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJICXUTTZ4DQKYBFQ2EEZ7CYCS}

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	2026-05-18T00:34:58.887846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2502bd273cf0705602586884cfc5814adf38358e39cb000356ff5384e0c2102

Aliases

arxiv: 1709.05918 · arxiv_version: 1709.05918v1 · doi: 10.48550/arxiv.1709.05918 · pith_short_12: WJICXUTTZ4DQ · pith_short_16: WJICXUTTZ4DQKYBF · pith_short_8: WJICXUTT

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/WJICXUTTZ4DQKYBFQ2EEZ7CYCS \
  | 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: b2502bd273cf0705602586884cfc5814adf38358e39cb000356ff5384e0c2102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d6803390bb669a8accb49865e61af2b8589e3791d5b18c726473601a78d63f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-07-02T15:28:27Z",
    "title_canon_sha256": "1ff42df1cbcfec5f37a3b12631a12e89ae37d8a35e0577ee4c0c7b0e83c008ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05918",
    "kind": "arxiv",
    "version": 1
  }
}