Pith Number

pith:NCMCYF5A

pith:2012:NCMCYF5ACW7SKESUCOZ7VWMFK4

not attested not anchored not stored refs pending

Fundamental constraints on particle tracking with optical tweezers

Joachim Knittel, Michael A. Taylor, Warwick P. Bowen

arxiv:1208.0657 v1 · 2012-08-03 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCMCYF5ACW7SKESUCOZ7VWMFK4}

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	2026-05-18T02:43:45.683262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68982c17a015bf25125413b3fad9855714a670756b064138c21fe328c391efd4

Aliases

arxiv: 1208.0657 · arxiv_version: 1208.0657v1 · doi: 10.48550/arxiv.1208.0657 · pith_short_12: NCMCYF5ACW7S · pith_short_16: NCMCYF5ACW7SKESU · pith_short_8: NCMCYF5A

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/NCMCYF5ACW7SKESUCOZ7VWMFK4 \
  | 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: 68982c17a015bf25125413b3fad9855714a670756b064138c21fe328c391efd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eb1bdc9924c6fe8720efdc285b86508ae18b9875bff3b1682bb3685588bf151",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-08-03T05:35:09Z",
    "title_canon_sha256": "0e760a412878e48c506ac0cd45ade3eb9b6e4fbca514bca9851c44927b187ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0657",
    "kind": "arxiv",
    "version": 1
  }
}