Pith Number

pith:UGMY7XIK

pith:2016:UGMY7XIKXT7RFZYLJDKGELANJH

not attested not anchored not stored refs pending

Toward an Energy Efficient Language and Compiler for (Partially) Reversible Algorithms

Erik D. Demaine, Jayson Lynch, Nirvan Tyagi

arxiv:1605.08475 v1 · 2016-05-26 · 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{UGMY7XIKXT7RFZYLJDKGELANJH}

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	2026-05-18T01:13:29.840043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1998fdd0abcff12e70b48d4622c0d49e448d690e98f95713a0bbedd6df049d0

Aliases

arxiv: 1605.08475 · arxiv_version: 1605.08475v1 · doi: 10.48550/arxiv.1605.08475 · pith_short_12: UGMY7XIKXT7R · pith_short_16: UGMY7XIKXT7RFZYL · pith_short_8: UGMY7XIK

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/UGMY7XIKXT7RFZYLJDKGELANJH \
  | 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: a1998fdd0abcff12e70b48d4622c0d49e448d690e98f95713a0bbedd6df049d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f34a142f19f1ef4dfd3f2130fce5fa6be75590c580ea8a9ced3a3191259cc81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-05-26T23:25:24Z",
    "title_canon_sha256": "5f9f4d92101fb82713898442a559e91b22d4fd75af0754bb7122ebfccb417ad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08475",
    "kind": "arxiv",
    "version": 1
  }
}