Pith Number

pith:36RHHSCR

pith:2017:36RHHSCRIQN62DMFQAYUJ3X2NT

not attested not anchored not stored refs pending

Why do launch trajectories end downwards

Max Cerf

arxiv:1706.01044 v1 · 2017-06-04 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36RHHSCRIQN62DMFQAYUJ3X2NT}

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	2026-05-18T00:43:06.987303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfa273c851441bed0d85803144eefa6ce8037f5699d84e44d537357a88132e90

Aliases

arxiv: 1706.01044 · arxiv_version: 1706.01044v1 · doi: 10.48550/arxiv.1706.01044 · pith_short_12: 36RHHSCRIQN6 · pith_short_16: 36RHHSCRIQN62DMF · pith_short_8: 36RHHSCR

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/36RHHSCRIQN62DMFQAYUJ3X2NT \
  | 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: dfa273c851441bed0d85803144eefa6ce8037f5699d84e44d537357a88132e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b44de9ce8cdb9fa069863da5d2c8111f4861f114148f69a42a250021ecba2bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-06-04T08:58:00Z",
    "title_canon_sha256": "de71e9acb44f22deb354d21c2f187cee8bc13006ca5201c00d3c1a59bbebfd34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01044",
    "kind": "arxiv",
    "version": 1
  }
}